Grade 8 Bolt Torque

Kanban Systems;. These include a vast range of sizes and types stocked by distributors and manufacturers for an. Features common to 3/4” and 7/8” tapers: Dryseal threads for positive seal without sealing compound; controlled chamfer for faster starting LEVL-SEAL® plug features: con-trolled 7/8” tape in 3/4” taper hole seats plug level, flush with surface within 1/2 pitch. Hex cap screws are bolts with hexagonal heads and machine threads for use with a nut or in a tapped hole. Five hash marks = Grade 8 and a minimum tensile rating of 150,000 psi. A k factor of 0. When a bolt has a grading of S, it means that it can withstand a stress of 45 to 49. So, with a grade 8, this falls under the SAE J429. I have been studying steels for some time and I haven't seen such grades being used to describe steels. PRELOAD (TORQUE) RECOMMENDATIONS 6. CDI Torque Products is not responsible for any application of torque or it's consequences as a result of using this chart. General Fastener Standards Note: The following table is provided for guidance only as there are often dimensional variations between standards. The bolt should not be longer than necessary, either, as extra bolt length usually decreases the clearance from the bolt end to the nearest other phase or to ground. A, ASTM A563, SAE J429 ZN Electro-Plated Zinc ASTM B633 SC1 Type III CZ Chromium Zinc ASTM F1136 Gr. 8 BOLT & NuT. 8 Wrench Size "A" Bolt Diameter "B. Torque is only an indirect indication of tension. The torque figures quoted have been based on a theoretical bolt load equal to 85% of the proof load of the bolting material. If in doubt, ask a professional for assistance. Metric bolt grades and strength calculator was developed to show proof strength, tensile strength, Vickers / Brinell hardness, minimum breaking torque and stress area of metric bolts and screws made of carbon steel and alloy steel. The chart above is an approximate estimate of torque values and have not been validated for accuracy. 9 grade high tensile steels along with A2 304 and A4 316 stainless steels. 7/8-9 7/8-14 167 184 429 474 606 669 455 502 1-8 1-14 250 280 644 722 909 1,020 772 867 All torque values are in Foot-Pounds (Ft. For these reasons, it is not practical to provide a single bolt torque chart or formula that is accurate for all situations. 373 120 31700 23780 300 220 7/8 - 9. Need a Quote: 603-431-0077 View Cart (0) 1/4"-20 x 3/4" Carriage Bolt. ASTM A193 Grade B7 304. The old bolts have 4 marks on them so I think that makes them a grade 6. 8 SB EN 15048 + ISO 4032 CE-marked-Hexagon structural bolt 8. 606 120 51500 38600 640 480 1 - 14. 6 bolts have an ultimate material strength of 400N/mm2 and the uield (or proof) stress is 60% of the ultimate strength. Report Abuse. Torque Diameter Threads Per Inch SAE Grade 8 Bolts & Screws – UNF Thread Boltmasters Pty Ltd Recommended Assembly Torques Author: srm. TORQUE SPECS: Torque 63 ft. Contrary to what you might think, this lubrication will not make the bolt loosen and fall out. 5 inches long must endure a proof load of 74,000 psi. There is absolutely no reason to be grade 8. Title: Metric Bolts, Screws & Nuts: Tightening Torques Author: Fastener Mart Created Date: 8/12/2006 10:22:23 PM. Proof Load, Yield & Tensile Strength Chart Metric. 763 105 56500 42300 790 590. 2 has been used which assumes threads are plain finish, burr. Size Recommended Torque; Grade 2 Grade 5 Grade 8 18-8 S/S Bronze Grade 2, 5, and 8 values are for slightly. In its most basic form, chromium is added to ordinary steel in order to become corrosion resistant. 1 Heavily greased X 0. Wedge Anchors. Grade 8 bolts are fully hardened. Grade 8 bolts are comprised of carbon alloy steel, thus giving them a high psi rating. For critical applications such as engine and brakes, please cross reference torque values with the Workshop manual. Here are some recommended settings: M8 (13mm across the flat head) 25Nm. Torques to be used for various size bolts are shown in the table. 20% sounds about right as at 8lb i had the same angle with the loctite applied. This modified geometry is often referred to as heavy hex geometry. ASTM A193 Grade B7 Torque Chart. ELECTRICAL CONNECTIONS FOR POWER CIRCUITS Internet Version of This manual Created August 2000 FACILITIES ENGINEERING BRANCH DENVER OFFICE DENVER, COLORADO The Appearance of the Internet Version of This Manual May Differ From the Original, but the Contents Do Not UNITED STATES DEPARTMENT OF THE INTERIOR BUREAU OF RECLAMATION NOVEMBER 1991. The torque values reprinted in this table are guidelines only and are the exclusive property of API. 9/16-18 (fine thread) Grade 8 Bolts w/Unitorque Nuts & Washers (4 Pack). It is just as important to carefully select an appropriate tightening torque for securing machine screw joints as it is for securing bolt and nut joints. The calculator below can be used to calculate the torque required to achieve a given axial bolt force or load. 8 or S are solid, heavy duty bolts that can be used for a variety of tasks. The chart below shows metric bolt conversions and DIN numbers for fasteners. Ubolts 5/8″ diameter and greater are made from Grade 8 material. 9 grade bolts have a tensile strength that is around 200N/mm^2 higher than the 8. Bolt Shear Capacity FASTENERS Table 12 Specification AS 1111 AS 1110 Prop. Improvised Torque Wrench ; Bolt Torque Calculator. The ASTM A354-BD / SAE GRADE 8 bolt torque chart displays lubricated and plain tightening torque for the bolt sizes from 1/4 to 4. For metric fasteners, the term "property class" is used and is stamped directly on the head. A bolt with a low grade two is often manufactured with low or medium carbon steel. We have a very large inventory of Bolt Torque , specialty bolts in all of our warehouses, supplying fields such as fasteners, anchors, channel and strut accessories. 9 bolts with S275 Non-preloaded ordinary bolts - Grade 10. The most common surface finish in use is bright zinc plated. The ASTM A307 specification covers carbon steel. 2 has been used which assumes threads are plain finish, burr. For example, 45 ft. The nuts, bolts, and washers used on the airplane are in. The strength and type of steel used in a bolt is supposed to be indicated by a raised mark on the head of the bolt. This gives a shear stress of 375 N/mm2. These values are. com offers 317 grade 8. Metric Bolting Diameter Tensile Stress Area mm² Suggested Bolt Load KN. 8 and grade 10. 1 Stud Bolt & ASME B18. The bolt is stressed up to the proofload value, and if there is no deformation, elongation, or fracture, then the bolt is deemed to have passed. Suggested Assembly Torque Values of an ironworker with a ordinary spud wrench is sufficient to tighten the nuts on anchor bolts. Bolts are assigned various grades and these grades are usually stamped on the bolt's head for easy referral. Fastener Warehouse. The values shown in the chart are to be used as a mid-range guideline. Crosby® Shoulder Eye Bolt and Swivel Hoist Ring Load Limits. To test, I just screwed a plain old hex-head 1/4 x 3 1/2 screw into the bottom of my workbench, with about 2 1/2" left visible, and the head holding up a long piece of angle iron. Grade 8 Bolts and fasteners are comprised of carbon-alloy steel, heat treated in a carbon controlled atmosphere and are generally the most durable and reliable fastener. Equip cars, trucks & SUVs with Torque Converter Bolt from AutoZone. Remove the bottom left and right bellhousing bolts. Bolt Torque Specs in Foot Pounds or (Inch Pounds) Size/Thread Grade 5 Grade 8 Grade ASTM-A574 Class Tensile Torque Reference Chart Metric (ISO 898) - Inch (SAE J429) Note: These charts are provided as a Reference only. Question: A bolt requires tightening to a torque of 98 N-m. Under/over tightening of fasteners can result in costly equipment failure or personal injury. Extreme caution should be used when using a formula for torque/tension relationships. 462 120 39300 29450 430 320 7/8 - 14. 8 no minimum value Eg. 8 High tensile hexagon head bolts DIN 931 are sometimes referred to as a part threaded bolts. A Short Guide To Metric Nuts and Bolts Answers to the most Frequently Asked Questions Standard and Fine Pitch Th reads How to identify nut and bolt strength grades How nut and bolt strength grades compare Maximum Tightening Torques Why specifi ed torque is sometimes lower than the maximum Spanner Sizes Versus Bolt / Nut thread size. Use at your own risk!. 8 AS 1110 Prop. A lubricated fastener must have the torque values reduced 25 - 30% from the above ratings. Bolt Torque Charts These charts show suggested maximum torque values for threaded products and are intended only as a guide. - square and hex bolts, cap screws, carriage bolts, plow bolts, lag screws, studs, nuts, rivets and others - which have been standardized over the years as to type‘, style, usage, properties, dimensions and tolerances. 9/16-18 (fine thread) Grade 8 Bolts w/Unitorque Nuts & Washers (4 Pack). Bolt Torque Charts. Why? Because 85% of your torque is consumed by friction. The Maximum Source for Industrial Fasteners and Shop Supplies, Bolts, Cap Screws, US, Metric and Stainless Steel, Structural Fasteners, Brass Fittings, DOT Fittings. There exists an often quoted myth, that Grade 5 bolts are better in shear than Grade 8 since they will bend before breaking. The calculator below can be used to calculate the torque required to achieve a given axial bolt force or load. SAE & ASTM Bolt Grade Identification Marks. The torque figures quoted have been based on a theoretical bolt load equal to 85% of the proof load of the bolting material. In addition, a proper bolt torque value can be inconsistent from fastener-to-fastener due to several factors including variations in material, coatings, surface finishes, fit tolerances, installation method, etc. Grade 8 14 Surface Condition Torque Adjustment Factors Plain Steel, as supplied X 1. 8 should be marked together with a mark to indicate the manufacturer. Bolt Size TPI Proof Load (lbs) Clamp Load (lbs) Tightening Torque (ft lbs) Galv + Wax Tightening Torque (ft lbs) Galv Tightening Torque (ft lbs) Plain; 1/4" 20:. Torque bolts and nuts in a "CRISS-CROSS" sequence using a minimum of three torquing passes and the maximum bolt stress as defined. Structural Heavy Hex Head Bolt ASTM A490 Type 1 Steel Plain Structural Assembly. Bolts come in several configurations for their application and specification variances. Rev 3-6-09 Torque-Tension Relationship for A307A, Grade 5, 8 & 9 Bolts (in. Always go to the manufacturer for proper torque specifications. The table listed below shows the recommended clamp loads for Grade 2, 5 and 8 assemblies (per SAE J429 and J995). A lubricated bolt requires less torque to attain the same clamping force as a non-lubricated bolt. A grade 5 bolt falls under ASTM 574. Basically, your fasteners need to able to handle the temperature or they will break down and fail. Always tighten nuts securely against the load. The ASTM A307 specification covers carbon steel. The properties tables below provide more information on the differences between the grades. ASTM A193 Grade B7 304. 9 bolt vs grade 8, Difference between 12. To test, I just screwed a plain old hex-head 1/4 x 3 1/2 screw into the bottom of my workbench, with about 2 1/2" left visible, and the head holding up a long piece of angle iron. 9 BOLTING PROPERTY CLASSES 8. 8 zinc plated finish bolts. 1 Basic mechanical properties of structural bolts. MAXXCam increases vehicle function while providing your truck with a more aggressive look. Grade 8 bolts have a tensile strength of 150,000 pounds per square inch. Bolted steel parts shall not be separated by gaskets and shall fit solidly together after bolts are tightened. bolts to BS 4395 made from heat treatable grade weathering steel. In these bearing type of connections, the plates are in firm contact but may slip under loading until the hole surface bears against the bolt. The reason I think this is that the other columns were listed as grade 2, grade 5, and grade 8, which are common designations of bolt material strength. About Bolt Threads. the information presented is believed to be accurate at the time of document creation. 9 Plated Metric Course Pitch Grade 10. A bolt is a form of threaded fastener with an These modern designs span a large range of sizes and can carry a considerable torque. The following chart estimates the applied tension clamp force at a defined torque and friction for SAE J429 Grade 2, 5 and 8 bolts. If there are zero markings on the bolt head, it is usually because the bolt in question is of the lowest grade. Grade B8 bolts are made from type 304 stainless steel, while Grade B8M bolts are made from a more corrosion-resistant type 316 stainless steel. 8, male Created Date:. 8 roughly corresponds in strength to an SAE Grade 2 bolt. All grade 8 bolts have the same tensile strength per square inch. These estimated torque values are derived from the standard torque formula Torque = KDF utilizing a standard "free-spinning" nut (non-locknut) with a proof strength equal to or greater than the tensile strength of the bolt. Swivel ring bolts, 360° rotation, grade 8. 8 bolt specification products. 4B #1 Norway bolts meet or exceed Grade 2 standards for load, yield and tensile strength. Industrial Depot fastener supply superstore carries a large selection of quality automotive fasteners, sheet metal screws, decking screws, wood screws, drywall screws, stainless steel bolts, stainless screws, construction fasteners, and specialty fasteners. ASTM 325 bolts can be considered equivalent to Grade 8. 3 Hilti Anchor Rod Specifications and Technical Data DBS 02/18 The following steel design information is for Hilti standard threaded rod lengths and HIT-Z anchor rods according to the material specifications on page 2, used in conjunction. Shear and Tension Capacity of Stainless Steel Bolts Tightening Torques for Stainless Steel Bolts Stainless Steel Tensile and Proof Stress Of Metric Bolts Screws Steel Bolts Strength Specification ASTM A453 High-Temperature Bolt with Expansion Coefficient Screw Thread Limits Table UNC UNF Threads Per Inch TPI Threads Per Inch. The calculator below can be used to calculate the torque required to achieve a given axial bolt force or load. A193 B8 Stainless Steel Bolts. 20 16 31 57 90 139 198 277 485. The first digit relates to the ultimate strength of the material, whilst the second is the ratio of yield stress to ultimate strength. Request a quote or contact us to learn more. 8 ones and they're a fair bit harder. L7 Stud Bolts, A320 L7 Anchor Bolt, ASTM A320 L7 Flange Bolt in India. BLACK OXIDE BOLTS, SHC. Once you install your headers, heat cycle them once or twice, let the engine completely cool, like overnight, and go back and re-torque the bolts until they stabilize. Bolts of ISO class 8. ft Plain (Dry) lbf. 8, Metric Fine 8. FASTENER TORQUE CHARTS GUIDE FOR PREVAILING-TORQUE LOCK NUT ASSEMBLY TORQUES (CAD AND WAX, GRADE B, C, AND GRADE G FLANGE NUTS) LOCK NUT STANDARDS FROM IFI-100 REQUIREMENTS Torque-Tension Requirements • Clamp loads for the Grade B lock nuts equal 75% of the bolt proof loads specified for SAE J-429 Grade 5, and ASTM A-449 bolts. Hopefully when this happens the bolts will continue to shear and not lockup the wheel and kill somebody. 8 ones and they're a fair bit harder. Hex cap screws are bolts with hexagonal heads and machine threads for use with a nut or in a tapped hole. 8 no minimum value Eg. A, ASTM A563, SAE J429 ZN Electro-Plated Zinc ASTM B633 SC1 Type III CZ Chromium Zinc ASTM F1136 Gr. BoltsandNuts. Easy online ordering and next-day delivery available with 24/7 expert product support. Alternatively,use the Torque/Tension Calculator on the Norbar website which enables fastener and friction conditions to be modified with ease. Bolt Torque Charts. SAE Grade 8 (150,000 psi tensile strength) is equivalent to metric Class 10. The length of a hex bolt is determined by measuring from under the head of the bolt to the base of the threads. Flange Bolt Torque Sequence. The Selector Guide provides easy to access product details, part number references and dimensional and seating torque values for standard applications. Contact American Fastener with any questions or for a custom quote. 8 bolt has an ultimate tensile strength of 80 Kg/mm2 (785N/mm2) and a yield strength of 80% x 80Kg/mm2 = 64 Kg/mm2 (628N/mm2) Surely an allowable shear stress of 70% x ultimate tensile stress is much too high. In preparing this guide to torque values, the following basic assumptions have been made: (a) bolts and nuts are new, standard finish, uncoated and not lubricated* (b) the load will be 90% of the bolt yield strength (c) the coefficient of friction (µ) is 0. Re: Do I Have Too Much Torque on My U-Bolts? Also you have to check for the max torque of the U bolts, if you have exceeded the max then they are done, if not then you can simply reuse them but once a bolt has been over torqued it will fail, do you know what grade they were?. ASTM A194 Grade 8A Fasteners Manufacturer & Supplier Manufacting high-class ASTM A194 Grade 8A Fasteners in India Buy ASTM A194 Grade 8A Fasteners, ASTM A194 Grade 8A Nuts, ASTM A194 Grade 8A Bolts, ASTM A194 Grade 8A Screws, ASTM A194 Grade 8A washers for perfect connection & critical applications, excellent pricing and extensive size range of ASTM A194 Grade 8A Fasteners, 10% sale on ASTM. 8 bolt has a nominal tensile strength of 800 N/mm 2 (or about 116,000 psi) and a nominal yield stress of 640 N/mm 2 (8 times 800 divided by 10). Grade 2 requirements for diameters ranging from 1/4" through 3/4" only apply to headed fasteners up to and including 6" in length, and to studs of all lengths. You can look that up to go over on google. US Recommended Bolt Torque. Our carriage bolts for sale help you better manage your product budget and deliver the best possible results while also maintaining your margins. Does it specify bolts stronger than grade 8? These might be more brittle than grade 8. 2) the torsional stress may vanish by relaxation. It takes more force to tighten a 3/4-10 bolt than to tighten a 318-16 bolt because it is larger in diameter. In these bearing type of connections, the plates are in firm contact but may slip under loading until the hole surface bears against the bolt. JWYN 8-Pack 1/4-20 x 2-1/2 inches Grade 8 Hex Head Cap Screw Bolts with Flat Washers, Split Lock Washers, Nuts in Small Kit, Alloy Steel Partial Thread Coarse Yellow Zinc Plated - Choose Length. The properties tables below provide more information on the differences between the grades. Bolt torques unf jpg chapter 8 s fasteners and the design of nonpermanent joints lecture slides. Get the best deals on L9 Hex Bolt at Industrial Depot. Bolts manufactured under this specification are very similar to the commonly used specification Grade 2. It seems that there is some confusion about the grade. 7 – Changes to tapping screws Tab. Metric Bolt Hardness Guide Grade 8. Always refer to vehicle manufactures recommended Torque setting for the specific application. Grade 8 Flange (Frame) Bolts & Nuts; Grade 9 Hex Head. makes no warranties as to the accuracy of this information. exceeds the capacity of grade 5 bolts. Kanban Systems;. Bolt Diameter Tensile Stress Area Inch 2. Medium car. Oil or Grease up the threads and torque to the right amount for that size and grade of bolt. Tightening. Torque Wrench End Fittings Captive Pin Type Torque Wrench End Fittings 8mm Spigot Type Torque Wrench End Fittings 16mm Spigot Torque Wrench End Fittings Rectangular 9x12 mm Hexagon Nut Sockets Screwdriver Accessories Convertors and Adaptors Additional Torque Products Special Extension Spanners & Adaptors Special Projects; Service Centre. 🔥Safety Squint T-Shirt!. these bolts are 5/8" in length and are for converters with threaded drive tabs. These type of bolts are equal in strength to ASTM A490 bolts. CDI Torque Products is not responsible for any application of torque or it's consequences as a result of using this chart. shear strength teChnICaL Data sheet nUCOr Fastener Shear Strength is defined as the maximum load typically applied normal to a fastener’s axis that can be supported prior to fracture. Grade 5 Hex Bolts. There are other applications, like torqueing cylinder heads and pan gaskets, where too much distorts to create leakd and too little does so too. See the latest inventory on Grade 8 Bolts currently available by looking through the online catalog. The higher the ISO numbers are, the stronger the bolt. 9 Allen M6 x 1. 6 bolts have an ultimate material strength of 400N/mm2 and the uield (or proof) stress is 60% of the ultimate strength. Get Yours Today! We know our parts and products. We stock a full line of metric 8. IFI-100 does not govern lock nuts above 1". The OEM bolt was 7/16-14 x 2 3/8 grade 8. which is ridiculous similar to some toyota flywheel bolts that are 11x1. If there are zero markings on the bolt head, it is usually because the bolt in question is of the lowest grade. A Short Guide To Metric Nuts and Bolts Answers to the most Frequently Asked Questions Standard and Fine Pitch Th reads How to identify nut and bolt strength grades How nut and bolt strength grades compare Maximum Tightening Torques Why specifi ed torque is sometimes lower than the maximum Spanner Sizes Versus Bolt / Nut thread size. Zinc & Yellow Dichromate Grade 8 Bolts These Grade 8 Bolts are Medium Carbon Alloy Steel These Grade 8 bolts have 150,000 PSI Minimum Tensile Strength The grade 8 bolts Head is identified with 6 Radial Lines We have a large variety of Grade 8 Bolts. Wrench Sizes for Standard Bolts, Nuts and Screws Pipeline Supply and Service Co. Heavy Hex Bolts. Always refer to the manufacturers recommended torque values if possible. Unc Grade 8 Bolt Torque Chart Structural Bolts Fastenal Ayucar Sae bolt torque chart grade 2 5 8 bolt torque chart grade 8 bolt torque specs chart us bolts tightening torques ayucar bolt torque chart. 8 Class Bolt Head Identification Bolt Size Grade 2 Grade 5 Grade 8 (Metric) Bolt Head Identification Bolt Size (Inches). 9/16-18 (fine thread) Grade 8 Bolts w/Unitorque Nuts & Washers (4 Pack). Bolt Torque Specs in Foot Pounds or (Inch Pounds) Size/Thread Grade 5 Grade 8 Grade ASTM-A574 Class Tensile Torque Reference Chart Metric (ISO 898) - Inch (SAE J429) Note: These charts are provided as a Reference only. Torque is only an indirect indication of tension. 8 Wrench Size "A" Bolt Diameter "B. TPI for 1" and smaller are UNC , 1-1/8" and larger are 8 UN. ASTM A194 Grade 8A Fasteners Manufacturer & Supplier Manufacting high-class ASTM A194 Grade 8A Fasteners in India Buy ASTM A194 Grade 8A Fasteners, ASTM A194 Grade 8A Nuts, ASTM A194 Grade 8A Bolts, ASTM A194 Grade 8A Screws, ASTM A194 Grade 8A washers for perfect connection & critical applications, excellent pricing and extensive size range of ASTM A194 Grade 8A Fasteners, 10% sale on ASTM. Headed anchor bolts can also have an anchor plate welded to the head of the bolt if the head itself does not provide enough pull-out resistance. " A grade 8 bolt is stronger than a grade 5, which is stronger than a grade 2. 8 and must proof load 85,000 psi for all bolt sizes. Bel-Metric sells metric bolts. Bolt Installation Procedures (Refer to Charts 1, 2, 3, and 4 for kit numbers, bolt part numbers and recommended torques. Tensile strength refers to the pulling force required to break a bolt. K - constant. So, replace the OEM bolts with 7/16" -14x2&1/2" yellow zinc finish SAE j429 grade 8 Hex Cap screws Part # 0115163 from Fastenal for $0. Grade BC Bolts, Studs Alloy Steel, Quenched and Tempered 1⁄4 thru 2 ½ 2 ¾ thru 4 105,000 95,000 109,000 99,000 125,000 115,000 ASTM J429 Grade 7 Bolts and Screws Medium‐ Carbon Alloy Steel, Quenched and Tempered 1⁄4 thru 1 ½ 105,000 115,000 133,000 SAE J429 Grade 8 ASTM A354 Grade BD No Grade Mark SAE J429 Grade 8. Large flanges may require. Heavy Hex Bolts. Discounted tickets - up to 50% off - Lion King Broadway tickets Secure Checkout · 100% Worry-Free Guarantee · Customer Service The Lion King Tickets. The calculator below can be used to calculate the torque required to achieve a given axial bolt force or load. Metric bolts with an 8. The perfect choice for lifting, leveling or dropping the front suspension on torsion bar equipped trucks and SUV’s. Large flanges may require additional passes. and Mechanical Properties Bolt Grade Torque (N. Save More Money off our everyday Low Prices! Bargain Basement Clearance Items. Industrial Depot fastener supply superstore carries a large selection of quality automotive fasteners, sheet metal screws, decking screws, wood screws, drywall screws, stainless steel bolts, stainless screws, construction fasteners, and specialty fasteners. It is a function of the materials' frictional characteristics, which are based on surface finish, coatings and so on. These are not second quality fasteners that were previously rejected or rescued from a scrap yard. does not accept responsibility for negligence or misuse of this information. We have a very large inventory of Bolt Torque , specialty bolts in all of our warehouses, supplying fields such as fasteners, anchors, channel and strut accessories. Metric Bolts Maximum Torque, in foot-pounds, for clean, dry threads Check your Shop Manual!; Bolt size Low Grade Grade 8. The major difference for bolts, nuts and even washers is the. Grade 2 is governed by the specification J429 by SAE International. 0 no maximum value While every care has been taken in preparation of the information,the company accepts no liability for any loss or damage either direct or consequential. Metric bolt torque chart lists the typical maximum recommendations for tightening torques for metric bolts. 1% • Nut/Face Friction: 39. 1 Galvanised, lightly oiled X 1. torque type steel hex flange nuts designated, respectively, as Grades F and G. ” These assemblies are capable of developing a minimum predetermined tension when installed by applying torque to the nut, while at the same time applying a counter torque. SAE & ASTM Bolt Grade Identification Marks. com based out of Plattsburgh, NY, is your first choice in online UBolts & Gripes. of torque on the dry bolt. Re-use Of Original/Used Spring U-Bolts Is Not Recommended Due To Fatigue and Stretching When U-Bolt Was Originally Torqued. Several factors affect how much tension occurs when a given amount of tightening torque is applied. For example, a Class 8. Torque vs Tension Bolts Table Chart SAE J429 Bolts. But lubrication on the bolt threads—and a whole host of other factors—can cause fluctuation in torque readings. Zinc & Yellow Dichromate Grade 8 Bolts These Grade 8 Bolts are Medium Carbon Alloy Steel These Grade 8 bolts have 150,000 PSI Minimum Tensile Strength The grade 8 bolts Head is identified with 6 Radial Lines We have a large variety of Grade 8 Bolts. According to K-T Bolt Manufacturing Inc. 0 out of 5 by 1. Accordingly, commonly available bolt installation equipment has been designed with a capac-ity to fully tension 1-in. The first factor is the bolt's diameter. Just google that and you'll find all the information in reference to the treatment of a grade 8 bolt. Generally, the shear stress is equal to 60% x yield stress. So, torque isn’t the true measure of bolt tightness—it’s tension. Searching for just the bolt you need to complete your clutch repair can be a daunting task. 250 8 39,988 421 726 52,484 553 953 ── ── ──. This is the same Grade 8, 9/16" hardware we use in our suspension kits. Proof Load. Applications. Technically it is based on the applications. The strength and type of steel used in a bolt is supposed to be indicated by a raised mark on the head of the bolt. 15 for plated fasteners. Reduce value by 10% if threads. Not sure if this is the place to post this but hopeing someone chimes in. For example, 45 ft. Hopefully when this happens the bolts will continue to shear and not lockup the wheel and kill somebody. Build your own SmartBolts ® from our full range of options. Flangebolts. U-Bolt-It supplies high quality metric bolts to all industries, including metric grade 8. In stock and ready to ship. 8 hex bolts from 3mm to 30mm. Grade 5 steel hex head bolts. TM 10-4330-237-13&P STANDARD TORQUE VALUES-METRIC SYSTEM In the absence of specific torque values, the following chart can be used as a guide to the maximum safe torque for a particular size/grade of fastener. But lubrication on the bolt threads—and a whole host of other factors—can cause fluctuation in torque readings. The following suggested tightening torques provide an excellent starting point for determining torque requirements. 8 zinc plated finish bolts. Always refer to vehicle manufactures recommended Torque setting for the specific application. * Torque value based on 75% of proof load and finish as recieved steel NOTES: Left hand side of '-' is minimum value PROPERTiEs Of GRadE 8. NEW KIT: Dodge Viper SRT-10 2008-2010 ARP2000 Head Stud Kit • Torque Value Lookup • Fastener. 8 roughly corresponds in strength to an SAE Grade 2 bolt. Clamp loads are based on 75% of the minimum proof loads for each grade and size. gm torque converter bolts. 8 stud) Max Torque Values of Grade 8. ; and p=bolt clamping load developed by tightening, lb. Are you sure you've got 10. AN BOLT SELECTOR Hex head aircraft bolts are made of high-strength type 4037 or 8740 alloy steel (type 8740 is most commonly used). is not responsible for any claim traceable to any errors [typographical or otherwise] as contained herein. Apply ARP Ultra-Torque ® to fastener threads and the underhead of the bolt or underside of the nut. These are grade 4. I use at least Grade 5 on anything involving the frame. These bolts use the same material as their common cousins (ASTM F568M for metric bolts), but have a thicker and wider head to more effectively distribute the load. Moly anti-seize 19. Bolt Grade 3. Standard Bolt Torques for diesel engines. Grade 8 bolts have the highest ratings with tensile strength of 150,000 psi. Basically, your fasteners need to able to handle the temperature or they will break down and fail. FASTENER IDENTIFICATION AND TORQUE DATA 1. Always refer to the manufacturers recommended torque values if possible. For example, I can't imagine a 1/4" bolt failing at these loads. Select to bolt more than two components together. a % of bolt yield. bolting torque table 3 - use only with a193 b8, cl1 bolts at 540°c - 650°c on uninsulated flanges. Recommended Bolt Torque Table Size Recommended Torque Grade 2 Grade 5 Grade 8 18-8 S/S Bronze Brass Grade 2, 5, and 8 values are for plated bolts. specification is a reference to AASHTO M180. Easy online ordering and next-day delivery available with 24/7 expert product support. Swivel ring bolts, 360° rotation, grade 8. Alternatively,use the Torque/Tension Calculator on the Norbar website which enables fastener and friction conditions to be modified with ease. 25 17 26 29 29 Metric Tap and Drill Chart. a) The labelling system for the austenitic steel group according to ISO Tab. Choose from our selection of grade 8 bolts, including over 1,400 products in a wide range of styles and sizes. 6" ARP 2000 7/16" ARP L-19 3/8" ARP 2000 5/16" ARP 2000. 5 percent in the “K factor” for ten samples. Metric Bolts Maximum Torque, in foot-pounds, for clean, dry threads Check your Shop Manual!; Bolt size Low Grade Grade 8. I can't find any torque specs in my shop manual since these were originally fastened with rivits. The following chart estimates the applied tension clamp force at a defined torque and friction for SAE J429 Grade 2, 5 and 8 bolts. bolting torque table 2a - cold service astm a320 grade l7 stud bolts. Torque Diameter Threads Per Inch SAE Grade 8 Bolts & Screws – UNF Thread Boltmasters Pty Ltd Recommended Assembly Torques Author: srm. Alternatively,use the Torque/Tension Calculator on the Norbar website which enables fastener and friction conditions to be modified with ease. 226 120 19200 14400 150 110 5/8 - 18. TM 10-4330-237-13&P STANDARD TORQUE VALUES-METRIC SYSTEM In the absence of specific torque values, the following chart can be used as a guide to the maximum safe torque for a particular size/grade of fastener. use with torque-limited PVC or fiberglass flanges), followed by the mandatory re-torque 4 hours to 24-hours after the initial torque. Their torque capacity is determined by their thread size, grade and pitch. 125") to 3/16" (. Performing at Minskoff Theatre. A193 B7 bolting is available in metric sizes from M6 to M180 and imperial sizes from 1/4 to 7 inches, in diameter. ) ASTM F1554-15 Classification. Size Recommended Torque; Grade 2 Grade 5 Grade 8 18-8 S/S Bronze Grade 2, 5, and 8 values are for slightly. 8 bolt has an ultimate tensile strength of 80 Kg/mm2 (785N/mm2) and a yield strength of 80% x 80Kg/mm2 = 64 Kg/mm2 (628N/mm2) Surely an allowable shear stress of 70% x ultimate tensile stress is much too high.