1) Enter thread diameter nominal value in section Thread Size.Click on info button for more info. bolting torque table 2 - astm 193 grade b7 and astm 193 grade b16 stud bolts. When tightening according to guidelines and with no deviation, this is the pre-stress achieved expressed as % of yield point. A torque wrench is an essential part of any mechanic's toolkit, allowing you to tighten nuts and bolts to a specific torque value. lbs.) Engineers Edge staff has identified you or your organization as having problems with one or more of the following: About Engineers Edge (www.engineersedge.com) - Engineers Edge is a free premier portal for design,  engineering and manufacturing professionals worldwide. Torque Diameter Pitch (mm) kN Nm M5 0.80 7.67 8 M6 1.00 10.9 13 M8 1.25 19.8 32 M10 1.50 31.3 63 M12 1.75 45.5 109 M14 2.00 62.1 174 M16 2.00 84.5 270 M18 2.50 103 371 M20 2.50 132 528 M22 2.50 164 722 M24 3.00 190 914 M27 3.00 248 1339 M30 3.50 … 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. Spring strut/Wheel spindle . Bolt Diameter x Pitch Thread Stress Area mm 2 *When μ = 0.10 Results in: *When μ = 0.14 Results in: Tightening Torque Nm Pre-load kN Tightening Torque Nm bolting torque table 2a - cold service astm a320 grade l7 stud bolts. For stainless steel, use the high value of the torque range of steel. M16 x 2 157 67 30.9 29.3 85 M18 x 2.5 192 93 37.7 35.7 118 M20 x 2.5 245 131 48.3 45.8 167 M22 x 2.5 302 176 60.1 57.1 225 M24 x 3 353 226 69.5 65.9 287 M27 x 3 459 331 91.2 86.7 424 M30 x 3.5 561 450 111 105.3 575 *when µ = 0.14 results in *when µ = 0.10 results in. G F = Ratio of yield point. K Factor: advanced users only: Help. M16 x 2. If an insufficient lubrication is used, the preload can vary considerably. Setting the correct torque on your torque wrench is critical to prevent under or over tightening of your bolts or nuts. 1st step, 105 Nm . Lubrication added to a dry bolt will typically reduce the torque value 15-25%. Doing a bolt up to the specified torque should set the tension in the bolt to approximately 85% of the proof load given in the table on page 6. Use where maximum tighten-ing torques are required Fasten collars, sheaves, gears, knobs on shafts. Bolt Torque Calculator - Calculate required bolt torque; Improvised Torque Wrench - Improvised torque wrench with luggage scale; ISO 724 - Metric Threads - Dimensions of metric threads according ISO 724; Metric Bolt Head and Wrench Size - ANSI/SO, DIN and JIS bolts It is a function of the materials' frictional characteristics, which are based on surface finish, coatings and so on. Print this page . The figures below do not take into account the effect of plated finishes, special lubricants or the effect of hard and smooth mating surfaces such as hardened washers etc. TORQUE-TENSION RELATIONSHIP FOR A307A, GRADE 5, 8 & 9 BOLTS Locknut Size Threads per inch Steel Hex Locknut Steel Hex Flange Nut Grade C FNL Grade 9 Grade F Grade G Clamp Load (lbs.) Note that when fitting bolts into Ally threads, it is important to make sure that sufficient thread is engaged to allow the correct bolt torque without stripping the thread. The following torque values are suggested maximums based upon actual lab testing on clean and dry or near dry fasteners. 48 ft-lbs. 00 00 M16 and M16x1.5 - maximum tightening torques acc. Date: To convert from N-m to ft-lbs, multiply N-m by 0.7375. ... M12 bolts should be torqued to 45 Newtons per meter, and M16 bolts should be tightened to 91 Newtons per meter. other bolting torque tables. Fasteners - Bolts, nuts and threaded rods - torque, tension and loads; Related Documents . other bolting torque tables. Values though 7/16-inch diameter are stated in inch-pounds: ½-inch and over are stated in foot-pounds. Suggested torque amount. Metric Recommended Bolt Torque. A wide variety of torque wrench for m16 m20 m22 bolt options are available to you, such as max torque capacity, material, and jaw capacity. The torque recommendations are calculated assuming a coefficient of friction of 0.14, which requires a good quality lubricant. lbs.) Preloads and tightening torque for Metric ISO countersunk head steel screws with hexagon socket head or similar heads. The importance of correct bolt tightening cannot be over emphasized. Approximately 90% of the applied torque is employed in overcoming friction, 50% at the bearing face of the nut and 40% between the mating threads. Metric ISO Countersunk head steel screws Torque Table. Ball joint in wheel spindle, aluminum from and incl. bolting torque table 1a - cold service astm a193 and astm a320 grade b8, cl2 stud bolts. Hydrogen Embrittlement of fasteners is an issue our ... Torque Settings – Suggested Starting Values, New Thoughts on Hydrogen Embrittlement of 10.9 Bolts, Guide to Thread Galling – Stainless Steel Fasteners. M16 x 2.00 161 121 230 172 269 202 120,350 psi ... Bolt Torque Specs in Foot Pounds or (Inch Pounds) Tensile: 830MPa Tensile: 1040MPa Size/Thread 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. M16x1.5 12.9 364 Nm (ft. bolting torque table 2 - astm 193 grade b7 and astm 193 grade b16 stud bolts. The below chart refers to usage in steel. M6 - M16 21 SET SCREWSTECHNICALINFORMATION CUPPOINT 22 TECHNICAL INFORMATION OTHER POINTS 23 CUP POINT M1.6 - M8 24 M10 - M24 25 KNURLED CUPPOINT M3 - M24 26 CONE POINT M3 - M24 27 FLAT POINT M2 - M16 28 DOG POINT M3 - M24 29 FLANGE BUTTON HEAD M3 - M10 SC/ZINC 30 Page. μ th = Thread friction coefficient μ h = Under head friction coefficient 1 N = 0.225 lb 1 Nm = 0.738 ft-lb. Tightening Torque min max min max min max min max Coarse Thread Series 1/4 20 2864 … Torque Values for A2 or A4 Metric Stainless Steel Fasteners Bolt Dia (mm) Dry Lubricated 3 1.0 0.9 8.9 in-lbs. Where the proof load is not quoted in the specification this has been taken as 95% of the yield stress. Proper torque spec varies depending on the material, bolt grade or wether lubrication is used such as oil, wax, or anti-seize Always go to the manufacturer for proper torque specs if needed. Determining the correct torque can however present problems. Torque Diameter Pitch (mm) kN Nm M5 0.80 7.67 8 M6 1.00 10.9 13 M8 1.25 19.8 32 M10 1.50 31.3 63 M12 1.75 45.5 109 M14 2.00 62.1 174 M16 2.00 84.5 270 M18 2.50 103 371 M20 2.50 132 528 M22 2.50 164 722 M24 3.00 190 914 M27 3.00 248 1339 M30 3.50 … Bolts will be tensioned when torquing up. If once this torque level has been reached a seal has not been achieved, it is likely that there is another cause. ft Multiply by 1.356 to obtain N*m CLASS 4.6 240 NL 0.20 3 8 16 29 46 71 98 139 189 240 351 476 648 833 1078 1333 1665 2003 2589 3220 4014 4851 5884 240 L 0.15 3 6 12 21 34 53 74 104 142 180 263 357 486 625 808 1000 1248 1502 1942 2415 3010 3638 4413 4 2.6 2.3 23.0 20.7 5 5.1 4.6 45.1 40.6 6 8.7 7.8 77.0 69.3 8 21.2 19.1 188 169 10 42 38 372 335 12 73 66 54 ft-lbs. 54.36.68.2, User Remote Address Referer:  Rear cross member. Technically it is based on the applications. Torque pattern. Torque Settings Suggested Starting Values The below estimated torque calculations are only offered as a guide. The specific torque value should be determined based on the aluminum or brass material strength, fastener size, length of thread engagement, etc. Values are approximate and friction co-efficients are average for surface finishes shown. 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The assembly, which are based on a theoretical bolt load equal to 85 % the! Cl2 stud bolts are only offered as a guide 12.9 bolt Markings Dia hard drive to determine torque! Likely that there is another cause ) Oil = WD40 has been reached a seal has not specified m16 torque setting wrench.