Grade 8 Bolt Torque

Information regarding socket head bolt torque chart and metric socket head bolt torque chart can easily be got online, from websites that deal with these kinds of products. ** Torque values for 1/4" and 5/16" sizes are in inch lb. 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. Apply ARP Ultra-Torque ® to fastener threads and the underhead of the bolt or underside of the nut. Standards for metric bolts are promulgated by the ISO, but adopted by individual nations. In this case it would be 8*100 or 800 MPa. Grade 8 is what the SAE came out with and grade 10. The markings can be numbers, letters, slashes, dots, or an assortment of other marks. ) required min. Is it still ok to bolt it on with standard grade 8 bolts and lock washers? How long should the bolts be? Thanks. A variety of Grade 8 bolts are available from Lighting Bolt & Supply. Tightening Torque Guide for Grade 5 & 8 Hex Cap Screws This table is based on IFI 5th Edition Technical Data N-12/N-16, using Equation (1) and a torque coefficient, K=0. We Supply Round U Bolts, Square U Bolts And Semi-Round U Bolt Kits Complete. Do they specify locktite? Apparently not or you would know the torque requirement and Locktite grade. I can't find any torque specs in my shop manual since these were originally fastened with rivits. Volume Discounts Applied Automatically. 0 Plain Steel, degreased X 2. The second factor is the bolt's grade. ASTM A193 B7 grade bolts are made of Alloy steel, AISI 4140/4142 quenched and tempered and are intended for use in pressure vessels, valves, flanges, and fittings. Grade 8 bolts have 6 evenly spaced radial lines on the head. ASTM A193 Grade B7 304. An alternative for using them without nuts is to. METRIC BOLT TORQUE SPECIFICATIONS*** (lbs/ft) Bolt Grade 8. Thread per inch Dry Oiled Dry Oiled Dry Oiled Dry Oiled Dry Oiled. Torque Control, is by far the most popular method of controlling a bolt's clamp force. ft Bolt Diameter Tebsile Stress Area inch Tensile Strength lb Proof Load lbs Clamp. These charts show suggested maximum torque values for threaded products and are intended only as a guide. 0 Plain Steel, degreased X 2. 8 Fastener Handbook M 8. 9 for metric applications (Illustration 7). Have often heard "Grade 8 bolts are too brittle, don't use them on automotive projects". does not accept responsibility for negligence or misuse of this information. Lubricated Bolts and Reduced Torque - Lubrication effect on bolt tension and torque; Metric Bolts - Head and Wrench Sizes - ANSI/SO, DIN and JIS bolts; Metric Bolts - Minimum Ultimate Tensile and Proof Loads - Minimum ultimate tensile and proof loads for metric bolts with coarse or fine threads. We can also make most suspension u-bolts to your specifications and ship them out the same day. Metric Bolting Diameter Tensile Stress Area mm² Suggested Bolt Load KN. Material Bolts shall be made from a carbon steel which conforms to the following chemical composition requirements--. Ford Six Torque; Late Flathead Ford V8 Date Code; Ford “FE” Engine Torque Specifications; Ford Y Block Block Casting Numbers; Tire Size Cross Referencing Chart; Vintage Tire Size Conversion Chart; Ford Pinto/Mustang/Ranger 4-Cylinder “Lima” Engine; Identifying 1940-1948 Ford Brake Drums and Brake Shoes. If any have loosened, then I would recommend replacement of all of the bolts with new grade 8 bolts. Bolt Clamping Force vs. The basic mechanical properties for 4. The first number is the tensile strength of the material. The markings can be numbers, letters, slashes, dots, or an assortment of other marks. 8 SS, SC, SUS Brass, Copper, Aluminum. ; Grade 8 Square Bend U-Bolt Kits Come With (2) U-Bolts, Deep Nuts And Thick Washers. Record this torque spec as this is the exact torque spec that you will be using to install your rods in the motor. Since our founding in 1969, K-T Bolt Manufacturing Company, Inc. ft Nm M14 22 101 137 122 165 166 225 M16 24 152 206 182 247 268 363. Lightning Bolt stocks an extremely large variety of grade 8 bolts and hex cap screws including both a domestic and import line. 9 strength specifications for longer wear life and improved reusability. These charts show suggested maximum torque values for threaded products and are intended only as a guide. According to K-T Bolt Manufacturing Inc. AlloyBoltz is Family owned small business. to DIN 13, sheet 13 and nuts with height of 0,8 x d acc. Hex Flange Bolts Grade 8 available from FlangeBolts. 8 bolts products are most popular in North America, South America, and Western Europe. Please find a list of Hexagon Head Bolts Grade 8. 25 Example: M8 - 1. It takes more force to tighten a 3/4-10 bolt than to tighten a 318-16 bolt because it is larger in diameter. com nuts catalog for Grade 8 (G) Flange Torque (Stover) Lock Nuts. A307: Grade C of the A307 specification formerly covered anchor bolts, but in 2007 was replaced by F1554 Grade 36. TORQUE Suggested Tightening Torques for ALLOY 1960 Inch Series Socket Head Cap Screws Nominal Size 114 5/16 3/8 7/16 1/2 5/8 3/4 7/8 Tightening Torque (in FT-LB) UNRC 17 35 62 100 150 283 500 688 1040 UNRF 19 38 70 109 172 317 562 767 1080 Listed tightening torques are 75 percent of the torque to yield based on ASTM 574. " Unlike stainless steel, which is highly resistant to corrosion, steel, however reinforced, will oxidize over time and rust. Standards for metric bolts are promulgated by the ISO, but adopted by individual nations. Torque is determined by the diamater and tread pitch as well the grade of the bolt so a grade 8 bolt is much harder and stronger then a grade 2 bolt and the thread pitch is lower on harder bolts so they have more threads per inch. Apply at least one final full torque to all fasteners in a clockwise direction until all torque is uniform. Standard bolt stress: 210 [N/mm2 ] Stress area of bolt (JIS B 1082) Note: Conversion values rolled up to effective 3-digits. SAE Grade 8 (150,000 psi tensile strength) is equivalent to metric Class 10. 7L oe engine, NV4500 transmission, 1992 Chevrolet K1500. 8 Bolts, Grade 8. A grade 2 bolt has no markings, a grade 5 bolt will have three markings, while a grade 8 bolt will have six lines. These values are not expressed in Kg/mm 2 or PSI as the first is an expression of mass by surface-area, the second is an expression of weight by surface-area and neither are true units under the. • Torque may have to be reduced when installing fastener into threaded aluminum or brass. codes and best practice require that the diameter of an anchor/bolt hole not exceed the Seismic Design Manual DUBLIN, OHIO, USA • MISSISSAUGA, ONTARIO, CANADA. A lubricated fastener must have the torque values reduced 25 - 30% from the above ratings. Visit our website to purchase metric fasteners, nuts, bolts, Time-Sert kits & more. 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. selfdrillers. 9 HV EN 14399-4 CE-marked-Pre-Load Bolt HR EN 14399-3, nut EN 14399-3, washer EN 14399-6-Hexagon structural bolt 8. 5d, the collar diameter is d c = (d + 1. The values assume the following in addition to the information listed in the chart: Silicon bronze hardware is not lubricated. Torque Specifications Recommended Torque in Foot Pounds (Newton Meters) SAE Grade 2 (No Dashes) SAE Grade 5 (3 Dashes) SAE Grade 8 (6 Dashes) Bolt Diameter "B" Wrench Size "A" 8. They are designed for use in high stress applications. These values apply to DRY bolts with no lubricant applied. Table is for standard pipe flanges only. Hex Head Bolts – Grade 8. 15 Typical tightening torque values to achieve recommended Clamping Loads are based on the following formula: Common Metric Bolts per ISO 898 Dry Threads. They’re high-grade fasteners, typically grade 8 for English and class 10. 1/4-20 grade 8 bolt product id: 0021 description: 1/4-20 grade 8 bolts are plated yellow zinc (gold),7/16 wrenching,and are partly threaded unless noted. Unless a torque wrench is used the tendency is to undertighten large bolts and overtighten small ones. The first factor is the bolt’s diameter. For imperial bolts, grades 5 and 8 are most common. Torque values are based on clean, dry threads. Please call us @ 1-888-667-5776 or click above. 8 bolt has a nominal ultimate tensile strength (UTS) of 800N/mm 2 (or Mpa) and a nominal yield strength of 640N/mm 2 (or Mpa). If any have loosened, then I would recommend replacement of all of the bolts with new grade 8 bolts. Fasteners Ball-end thrust screws Thrust screws and thrust pads Grippers Torque bolts Threaded inserts Lifting bolts Swivel bales Ring bolts. 8 High tensile hexagon head bolts DIN 931 are sometimes referred to as a part threaded bolts. the accompanying chart for Grade 5 and 8 bolts was developed from a computer program that calculates thread dimensions and stress areas from. bolt (torque) at some point causes it to stretch (tension). com and the new Forums can be found at forums. Another difference is that stuctural bolts have a larger head size so the A325 would be bigger than the Grade 8. These screws are bolts with a washer face under the head. As you may have heard before, torque. Size Recommended Torque; Grade 2 Grade 5 Grade 8 18-8 S/S Bronze Grade 2, 5, and 8 values are for slightly. 1, “Square and Hex Head Bolts and Screws Inch Series”. As a hex head bolts supplier, Value Fastener offers a range of hex head bolts and screws to meet your needs. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application. The grade 5 fastener has already reached its ultimate load and FAILED BEFORE the grade 8 starts to yield or stretch. 8) Remove the transmission mount bolt 9) Remove the transmission crossmember (Don't drop it on your head or foot - DOH!) 10) Remove the bell housing dust cover 11) Remove the torque converter to flex plate bolts - use a long screwdriver to rotate the flexplate & torque converter to get to all the bolts. STRONGER 180,000 P. Grade 8 bolts exhibit greater tensile, yield, and shear strength as well as greater fatigue resistance and, just as important, are capable of greater torque specs and therefore much greater pre-load and clamping strength. 4T series Applicable screws (Strengths) (*Material) 4. It takes more force to tighten a 3/4-10 bolt than to tighten a 3/8-16 bolt because it is larger in diameter. Maximum Recommended Tightening Torques Metric Course Pitch Grade 12. I responded by making this post in September of 2011, and it's one of the most popular on my main website. Good luck finding that size bolt in 2 3/8". standard bolt tightening torque table. Antiseize changes the amount of clamping force produced by a set amount of applied torque. Torque Why do we tighten screws? T The purpose of tightening screws is to fix one object to another object. They had Grade 8, Grade 5 and Steel bolts, according to the labels on the drawers. Extreme caution should be used when using a formula for torque/tension relationships. We Supply Round U Bolts, Square U Bolts And Semi-Round U Bolt Kits Complete. Bolts in tension should exert as much force on the joint as it and the joint members will stand[4]. Visit our website to purchase metric fasteners, nuts, bolts, Time-Sert kits & more. Is there a general rule of thumb for torque specs based on size and grade? Thanks, Eric M. The third factor. 44-14 Grade 2 Lock Nut (i). Moly anti-seize 19. Click Ubolt part numbers to find out pricing, shipping costs, and to order online. Grade 8 Bolts: Strength and Durability The factor that makes a grade 8 bolt different from a lower grade bolt is its preload strength. Below is a list of the recommended tightening torques for 12. 8 bolt has a nominal ultimate tensile strength (UTS) of 800N/mm 2 (or Mpa) and a nominal yield strength of 640N/mm 2 (or Mpa). 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. 9 Allen M6 x 1. 5T series 1. com, fax - 201-845-5781 or our quote request form. 8 bolt torque suppliers, mainly located in Asia. ASTM A193 B7 grade bolts are made of Alloy steel, AISI 4140/4142 quenched and tempered and are intended for use in pressure vessels, valves, flanges, and fittings. That is grade 8. API 6A is an International Standard which specifies requirements and gives recommendations for the performance, dimensional and functional interchangeability, design, materials, testing, inspection, welding, marking, handling, storing, shipment, purchasing, repair and re-manufacture of wellhead and well tree equipment for use in the petroleum and natural gas industries. 8 Material Steel Coating Galvanized Unit Metric ANSI/ASME B18. Bottom Line. 4T series Applicable screws (Strengths) (*Material) 4. ENGINE MOUNTING HARDWARE TYPES OF BOLTS Standard Bolts Standard Bolts are used for mounting the equipment to the flange, driven members to the crankshaft end bolt and the engine to the base (all h/s and some v/s). Structural Bolts and Nuts 8. These are available in Self Colour, Bright Zinc Plated & Galvansied finish Thread lengths for bolts are calculated as follows: Up to 125mm : 2 x diameter + 6mm 125mm - 200mm : 2 x diameter + 12mm 200mm upwards : 2 x diameter + 25mm. 8 roughly correspond to an SAE Grade 5 bolt. Title: Metric Bolts, Screws & Nuts: Tightening Torques Author: Fastener Mart Created Date: 8/12/2006 10:22:23 PM. The specific torque value should be determined based on fastener size, the aluminum or brass material strength, length of thread engagement, etc. 5 Bolt Torque Chart free download. to fatigue friction grip connections with high strength bolts such as grades 8. bolts were tested, 66 in A7 steel jigs and 6 in A440 steel jigs. Would it be different for different thread engagements?. The standard marking for Grade 5 is three lines radiating from the center; for Grade 6 it is four lines. 8 bolts according to ASTM F568M. Inventory Management. Apply at least one final full torque to all fasteners in a clockwise direction until all torque is uniform. How much do you decrease torque values when using anti-seize on bolts? "I took a ten millimeter, grade 8. Note 'The values listed above are for clean and dry parts free of lubricants and thread lockers. In grade 8, those numbers are 11 and 9. We're your source for hex flange bolts, hex flange nuts, and hex flange screws. Below is a list of the recommended tightening torques for 12. Torque Size (Modified SAE Grade 8) Bolt Size Threads Pound-Feet Newton-Meters Diameter Per Inch Millimeters. Lightning Bolt stocks an extremely large variety of grade 8 bolts and hex cap screws including both a domestic and import line. ) BOLTS of yield strength (Sy) LUBRIFIC µ TIGHTENING TORQUE in Lbs·ft R GRADE 8 130 NL 0. If in doubt, ask a professional for assistance. 8 roughly corresponds in strength to an SAE Grade 2 bolt. bolt (torque) at some point causes it to stretch (tension). Torque Control, is by far the most popular method of controlling a bolt's clamp force. This table shows the mechanical properties of B7, Grade 5 and Grade 8: GRADE GRADE 5 ASTM A193 B7 (Chromium Molybdenum) GRADE 8 (Heat Treated After Threading) TENSILE STRENGTH 120,000 PSI minimum 125,000 PSI minimum 1,100°F tempering temp 150,000 PSI minimum YIELD STRENGTH 92,000 PSI minimum 105,000 PSI minimum minimum 130,000 PSI minimum ROCKWELL HARDNESS C25-C34Read more. ASTM A193 Grade B7 Torque Chart. 226 120 19200 14400 150 110 5/8 - 18. It takes more force to tighten a 3/4-10 bolt than to tighten a 318-16 bolt because it is larger in diameter. 8 Galvanized Hex Bolts Din 933 Stainless Steel Zinc Plated M3 - M42 Size. Our solution was 1/2" unf grade 8 bolts, hardened washers with inside chamfer to bolt and nut on other side of converter lug. Torque all fasteners to full torque by using a cross pattern. Torque depends on the size of the bolt as you have already specified grade 8. Visit the post for more. US Recommended Bolt Torque. 763 105 56500 42300 790 590. So for an example two 3/4 inch say fine thread bolt would have a different torque capacity if one is grade 8 and one grade 5. Never heard of one shearing either but still amazes me that those little bolts can handle a high HP motor(not an issue for me - will be a stock 360). 9 bolts and grade 10. Metric Bolting Diameter Tensile Stress Area mm² Suggested Bolt Load KN. These are grade 4. STRONGER 180,000 P. 8 Hex Bolts & Class 8 Hex Nuts are manufactured to AS1110. Torque values listed are for general use only. Most applications that use bolts require between 10 and 150 foot-pounds of torque. Bolts with rounded heads, such as carriage bolts and step bolts, provide a low-profile fit in tight applications. LEVL-SEAL plug is an UNBRAKO original Rc 35-40 Rb 82 Typical Rc 34-40 Rb 82. ) TORQUE TIGHTENING ANALYSIS RESULTS Example calculation for a M12 bolt. The Nuts and Bolts of Specifying Fastener Torque. In 1987, head marking requirements changed from requiring no grade identification to requiring a ‘307A’ marking on the head in addition to the manufacturer’s identification. The first factor is the bolt’s diameter. Available grades run from 2 to 8, with 8 the strongest. These values apply to DRY bolts with no lubricant applied. Torque tolerance + 0%, -15% of torquing values. Have you replaced your leaf springs, added a lift/lowering block, bought new traction bars, or the existing U-bolts are just not up to the task of securing the housing and components as an assembly. High strength structual bolts has a large bolt head and nut as it is designed to withstand full tensioning. is india's leading Astm F568 Grade 8. Maximum tightening torque to preload a bolt Metric thread : M1 M1. Lessons From the Field — Lesson 1: A Torqued Bolt Isn't Necessarily a Tight Bolt ut in the field, I sometimes hear, "Those bolts are tight. 8 in the above. Steel socket head cap screws made with the A574 Standard are stronger alloy then typical grade 8 bolts. Torque vs Tension Bolts Table Chart SAE J429 Bolts. It is made of alloy steel and has six radial lines on the top of the bolt head. ; Grade 8 Square Bend U-Bolt Kits Come With (2) U-Bolts, Deep Nuts And Thick Washers. 509 120 43300 32450 470 350 1 - 8. Torque Specifications Recommended Torque in Foot Pounds (Newton Meters) SAE Grade 2 (No Dashes) SAE Grade 5 (3 Dashes) SAE Grade 8 (6 Dashes) Bolt Diameter "B" Wrench Size "A" 8. 8 bolts according to ASTM F568M. For corrosive applications, refer to ASTM A490 - 3 weathering steel. These tests are performed with a combination of differ-ent fasteners and lubricants. 120000 PSI proof load. 8 (with 2mm pitch thread) if lubricated with a light machine oil would be torque. Expansion anchors in carbon steel and stainless steel, approved for cracked concrete, non-cracked concrete and seismic – including stud anchors and sleeved anchors. Torque specifications for fasteners. 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:. The square shoulder under the flat head of the Norway bolt helps prevent spinning during installation (square peg in a round hole principle). Stainless Steel Hardware. Browse Nutty. Literature: • Product Catalog. The breaking pressure of a bolt is represented in a formula known as pounds per square inch (PSI). Washer face is optional on Tap Bolts. Volume Discounts Applied Automatically. Always refer to the manufacturers recommended torque values if possible. u = The coefficient of friction of the lubricant Figures are a GUIDE only, always consult the manufacturer or area engineer. The bolt shop owner seemed to think the OEM bolts were of a lesser quality than the 8. Made to order. Bel-Metric sells metric hardware & specialty automotive supplies nationwide. bolting torque table 1a - cold service astm a193 and astm a320 grade b8, cl2 stud bolts. Have you replaced your leaf springs, added a lift/lowering block, bought new traction bars, or the existing U-bolts are just not up to the task of securing the housing and components as an assembly. Do you have a suggested torque specification for 5/8-11 and 3/4-10 bolts? I know you are suppose to refer to the manufacturers torque specification, but does that apply to a clamp bolt and clamp? The clamp is a lever and flexes a little like a spring, so would that require the same torque as a bolt holding two flanges together?. Bolt torque Specifications: Shown is the bolt tightening sequences for typical circular flanges. Click Ubolt part numbers to find out pricing, shipping costs, and to order online. Find CHEVROLET Starter Bolts and get Free Shipping on Orders Over $99 at Summit Racing! Starter Mounting Bolt, Hex Head, 3/8-16 in. The torque figures quoted have been based on a theoretical bolt load equal to 85% of the proof load of the bolting material. Bolt Tightening Table 1-3 Table 1-4 Table 1-5 Figure 2-1 1. API 6A is an International Standard which specifies requirements and gives recommendations for the performance, dimensional and functional interchangeability, design, materials, testing, inspection, welding, marking, handling, storing, shipment, purchasing, repair and re-manufacture of wellhead and well tree equipment for use in the petroleum and natural gas industries. The grade 8 bolt is compatible with grade 8 nuts and washers of the same thread pitch and diameter. Tensile strength: 150000 PSI. Record this torque spec as this is the exact torque spec that you will be using to install your rods in the motor. Torque Diameter Threads Per Inch SAE Grade 8 Bolts & Screws – UNF Thread Boltmasters Pty Ltd Recommended Assembly Torques Author: srm. USS (Coarse Thread) SAE (Fine Thread) JIS (Japanese) Metric. Torque values listed are for general use only. BOLT TORQUE SPECIFICATIONS Torque in pounds-foot 2 2 5 5 7 7 8 8 Socket head cap screw Socket head cap screw Bolt Dia. 9 Allen M6 x 1. Not sure if this is the place to post this but hopeing someone chimes in. Clamp loads are based on 75% of the minimum proof loads for each grade and size. Grade 5 - bolts manufactured from medium carbon steel. 8 roughly correspond to an SAE Grade 5 bolt. It is supported. Bolts: ASTM A307 Grade A zinc plated carbon steel • Minimum tensile strength: 60,000 PSI. Quick and easy online shopping for grade 8 hex bolts (hex head cap screws) with coarse (USS) thread. ANSI Hardware Design Data Torque Design and Applications. The nuts, bolts, and washers used on the airplane are in. 770 long 60 ft lbs M8 side bolts 20 ft lbs (use RTV sealant under the head of bolt). There ARE bolts that are higher that 120,000 psi but you might have to go out of the realm of steel. Recommended Clamp Load (based on 75% of Cap Screws Proof Load) Recommended Torque (for plain finish assemblies) Diameter TPI Area Stress Grade 2 Clamp Load (lbs) Grade 5 Clamp Load (lbs) Grade 8 Clamp Load (lbs) Gr 2 Torque Ft-Lbs. Stud bolt manufacturer,ASME B18. com, fax - 201-845-5781 or our quote request form. a325 & a490 torque specifications a325 torque specifications bolt diameter ultimate tensile (lbs. a) The labelling system for the austenitic steel group according to ISO Tab. The higher the ISO numbers are, the stronger the bolt. The nuts, bolts, and washers used on the airplane are in. 8 bolt has a nominal ultimate tensile strength (UTS) of 800N/mm 2 (or Mpa) and a nominal yield strength of 640N/mm 2 (or Mpa). Bolts are assigned various grades and these grades are usually stamped on the bolt's head for easy referral. Description High Strength. These include a vast range of sizes and types stocked by distributors and manufacturers for an. Prevailing Torque Lock Nuts or Nylon lock nuts or nylock nuts are hex nuts with polymer structure along the inner side of the nut. BLACK OXIDE BOLTS, SHC. The next number indicates the yield strength as a percentage of the tensile strength. " Unlike stainless steel, which is highly resistant to corrosion, steel, however reinforced, will oxidize over time and rust. Grade B7 is the most common grade of A193 bolts used in construction. Grade-A bolts are the preferred style for most applications. There are 11,202 grade 4. The table listed below shows the recommended clamp loads for Grade 2, 5 and 8 assemblies (per SAE J429 and J995). A grade 8 bolt is stronger than the more commonly used grade 5. On the head of the bolt, 8. Is it still ok to bolt it on with standard grade 8 bolts and lock washers? How long should the bolts be? Thanks. 8 Wrench Size "A" Bolt Diameter "B. Extreme caution should be used when using a formula for torque/tension relationships. *K Factor. The below online ASTM A193 B7 Bolt Torque Chart provides tension, torque, TPI information against their corresponding sizes. Not sure if this is the place to post this but hopeing someone chimes in. SAE and Metric Fastener Torque Specifications iii Grade 8 hex head. All other torque values are in. (10) Nuts may be of the same material or may be of compatible grade of ASTM A194. Allen's Fasteners, Fasteners & Industrial Supply. Mlid Steel Cup Square Bolts 5. 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. My new torque converter has threaded holes in the pads for the flexplate to be fastened. We supply all boltings with EN 10204 Type 3. Hexagon Head Bolts in Grade 8. 15 for plated fasteners. In cases where the bolt is threading into a part, such as a cylinder head or engine block, this does not apply. TIGHTENING TORQUES FOR IMPERIAL (U. ASTM A193 Grade B7 Torque Chart. Record this torque spec as this is the exact torque spec that you will be using to install your rods in the motor. Bolts of ISO class 8. Re-use Of Original/Used Spring U-Bolts Is Not Recommended Due To Fatigue and Stretching When U-Bolt Was Originally Torqued. 8 Material Steel Coating Galvanized Unit Metric ANSI/ASME B18. Maximum tightening torque to preload a bolt Metric thread : M1 M1. Ford Six Torque; Late Flathead Ford V8 Date Code; Ford “FE” Engine Torque Specifications; Ford Y Block Block Casting Numbers; Tire Size Cross Referencing Chart; Vintage Tire Size Conversion Chart; Ford Pinto/Mustang/Ranger 4-Cylinder “Lima” Engine; Identifying 1940-1948 Ford Brake Drums and Brake Shoes. bolting torque table 1a - cold service astm a193 and astm a320 grade b8, cl2 stud bolts. Where the proof load is not quoted in the specification this has been taken as 95% of the yield stress. 8 grade structural bolt assemblies. They see it as a machined chunk of metal that holds or attaches things. In the case of bolts and nuts, this elastic deformation between the bolt head and the nut is critical in order to create tension or clamping force to hold the joint together. 4 Recommended maximum bolt loads RECOMMENDED MAXIMUM BOLT LOADS AND TORQUE VALUES (METRIC COARSE THREADS) for the bolt of strength grade 8. Various K Factors. The first time around tighten to approximately 1/2 of the final torque, and then repeat the sequence, tightening to the suggested torque limit. BoltsandNuts. TIGHTENING TORQUES FOR IMPERIAL (U. LEVL-SEAL plug is an UNBRAKO original Rc 35-40 Rb 82 Typical Rc 34-40 Rb 82. Does it specify bolts stronger than grade 8? These might be more brittle than grade 8. bolting torque table 2a - cold service astm a320 grade l7 stud bolts. A307: Grade C of the A307 specification formerly covered anchor bolts, but in 2007 was replaced by F1554 Grade 36. Grade-8 Tap Bolt: Bolts shall be heat treated, oil quenched and tempered at a minimum tempering. The standard strength grade (or Property Class as it is known in the standards) for many industries is 8. Available grades run from 2 to 8, with 8 the strongest. Minimum is at least 20% stronger than the best Grade 8 bolts. Grade 8 Flange (Frame) Bolts & Nuts; Grade 9 Hex Head. Grade 1 applies for hex cap screws over 152 mm (6-in) long, and for all other types of bolts and screws of any length. USED - Component that was in a running engine. ASTM A193 B7 grade bolts are made of Alloy steel, AISI 4140/4142 quenched and tempered and are intended for use in pressure vessels, valves, flanges, and fittings. standard steel bolt torque values * sae grade: bolt size dia. According to K-T Bolt Manufacturing Inc. Additional grades of A320 bolts exist but are not used frequently enough to list on this site. $\endgroup$ – grfrazee Apr 7 '16 at 12:54 1 $\begingroup$ Note that the relationship between torque and clamping force is not very reliable in practical situations, and where it really matters other methods are often used to determine the clamping force. The second factor is the bolt's grade. Bolt Torque Charts. Where the proof load is not quoted in the specification this has been taken as 95% of the yield stress. of torque on the anti-seize coated bolt turned the bolt head as far as 65 ft. TORQUE GUIDE FOR COMMON SIZES OF THREAD AND BOLT TENSILE CLASSES. bolting torque table 1a - cold service astm a193 and astm a320 grade b8, cl2 stud bolts. The torque applicable to the majority of bolts ranges between 12 and 400 foot-pounds of torque. 9 Plated Metric Course Pitch Grade 10. For construction, we sell Bolt Torque to all the fields with a heavy concentration in electrical, mechanical, and steel erection contractors. bolting torque table 1a - cold service astm a193 and astm a320 grade b8, cl2 stud bolts. Always refer to the manufacturers recommended torque values if possible. Great service and great prices, shop our wholesale fastener inventory today!. of the bolt. Grade 8 Flange (Frame) Bolts & Nuts; Grade 9 Hex Head. The torque specs in the online FSM state the same for the OEM bolts and the 8. Sold as each. Grade-8 Tap Bolt: Bolts shall be heat treated, oil quenched and tempered at a minimum tempering. Grade 5 bolts have 3 evenly spaced radial lines … resembling an airplane propeller. Click on the column headers to change the order of the table. holder telling you how to do this. 5/16" diameter x 1-1/2" thread length grade 8 bolts and hardened washers. Torque Specifications Recommended Torque in Foot Pounds (Newton Meters) SAE Grade 2 (No Dashes) SAE Grade 5 (3 Dashes) SAE Grade 8 (6 Dashes) Bolt Diameter "B" Wrench Size "A" 8. If you look at a torque chart for grade 8 3/4'' bolts fine thread it is 320-420 depending on wether you use oil or not. Camping force: 5,788 pounds. is india’s leading Astm F568 Grade 8. A variety of Grade 8 bolts are available from Lighting Bolt & Supply.