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. 210: 341: M20 x 2.5. Determining the correct torque can however present problems. Always go to the manufacturer for proper torque specs. ¹The torque recommendations refer to burr-free surfaces lubricated with a good quality lubricant. Typical values for countersunk heads screws with hexagon/hexalobular socket or associated nut, friction coefﬁcient µ = 0.14, Fine thread and course threads apply PASS 1 Torque Sequence: Torque to a maximum of 30% of the final torque value in accordance with the torque sequence. The below estimated torque calculations are only offered as a guide. Check tightness of fasteners periodically. Torque for bus bar lugs is specified by lug size. For Cold-Formed U-Bolts which have been torqued to a set preload are recommended to be re-torqued after a short time to take up the stretch in the set of the material. 559: M24. Shear bolts are designed to fail under predetermined loads. Tightening Torque Clamp Load (lbs.) A torque value will be influenced by the fastening methods and tools used. Too much tension means … The maximum recommended torques given in the table below assume that the threads have been lightly oiled. diameter are based on 30 ksi yield strength. 316 Stainless Steel Torque in-lbs. Cadmium or Zinc) applied to the stud threads. 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 G F = Ratio of yield point. Various K Factors: Typical Steel Bolt: 0.20: Zinc-Plated: 0.20: Lubricated: 0.18: Cadmium-Plated: 0.16: Miscellaneous Data: Applied Load: tensile: lb Help. 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. lbs. Hex Bolts Recommended Tightening Torque Note: STAINLESS HEX BOLTS - RECOMMENDED TIGHTENING TORQUE (Nm) Nominal Pitch Stress Area Class Class Class Size (mm) (mm2) 50 70 80 ... M16 2.00 157.00 68.6 147.0 195.9 M18 2.50 192.00 94.3 202.2 269.6 M20 2.50 245.00 133.8 286.7 382.2 M22 2.50 303.00 182.0 390.0 519.9 lbs.) Use of its content by anyone is the sole responsibility of that person and they assume all risk. 5. 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 Settings Suggested Starting Values The below estimated torque calculations are only offered as a guide. For other friction conditions, significant modifications may be required. Dimensions. Print this page . If once this torque level has been reached a seal has not been achieved, it is likely that there is another cause. 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. Below is a list of the recommended tightening torques for 12.9 / 10.9 / 8.8 zinc plated finish … They should be used on all fasteners unless otherwise specified. Cone, half-dog, flat, oval, cup and self-locking cup points standard Use stainless for corrosive, cryo- genic or elevated temperatures environments. 18-8 Stainless Steel Torque in-lbs. Bolt Size . 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. 2 Sets (Min Order) Guangzhou Jingyumang Electronic Commerce Co., Ltd. CN 1 YRS. Metric Recommended Bolt Torque. Torque Settings. 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. Doing a bolt up to a specific torque should set the tension in the bolt to appeoximately 85% of the prrof load given in the table. US $21.63-$24.51 / Set. to BMW N 600 02.0 Applicable range for tightening torques, refer to extract from company standard BMW N 600 02.0 M16 thread M16 8.8 200 Nm (ft. General Torque Figures. 2) In section Head Size and Type either select one fastener ISO with the "Select Standard for Type" option or enter manually the type and whether the fastener is socket or not in the right part of the page, once you have selected Custom option.. 3) Enter strength class of the fastener. Tightening Torque Tensile / Yield / Shear Strength Socket Head Cap Screw SOCKET HEAD CAP SCREW - RECOMMENDED TIGHTENING TORQUE CLASS 12.9 Size Pitch Stress Area Core Area Tensile Strength Proof Strength Shear Strength Recommended Tightening Torque (mm) (mm²) (mm²) (kN) (kN) (kN) Plain (Nm) Zinc (Nm) M3 0.50 5.03 4.47 6.14 4.88 3.27 2.0 1.4 Always use a torque wrench when installing parts on your car! The below chart refers to usage in steel. 184.108.40.206, User Remote Address Referer: Use of its content by anyone is the sole responsibility of that person and they assume all risk. 146: 210: 250: M18 x 2.5. Bolts should be brought finger tight and then tightened through the use of a torque wrench in strict sequence of diagonally opposite pairs. Technically it is based on the applications. Spring strut/Wheel spindle . 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 … ... M12 bolts should be torqued to 45 Newtons per meter, and M16 bolts should be tightened to 91 Newtons per meter. 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. Lubrication added to a dry bolt will typically reduce the torque value 15-25%. For stainless steel, use the high value of the torque range of steel. 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. For other friction conditions, significant modifications may be required. The chart above is approximate values and have not been validated for accuracy. For mixed metals, use the torque of the lower of the two metals Torque range is normally calculated +/- 10%. Tightening Torque min max min max min max min max Coarse Thread Series 1/4 20 2864 … (none), User Agent: Bushing housing upper link arm in sub-frame rear XC90 (M12) 1st step, 65 Nm . The accuracy of the tightening method, as well as the change in friction, needs to be accounted for in order not to over-tighten the fastener. Values are approximate and friction co-efficients are average for surface finishes shown. Bolt Diameter (mm) Recommended Torque (Nm) Class 8.8 Torque Values for A2-70 or A4-70 Metric Stainless Steel Fasteners (N)(lbs) (lbs)(Nm) 3 0.5 3522 792 2264 509 1698 382 0.81 7.2 in-lbs 0.95 8.4 in-lbs 906 204 4 0.7 6145 1381 3950 888 2963 666 1.90 2.21 1580 355 5 0.8 9928 2232 6382 1435 4787 1076 3.83 4.47 2553 574 Torque values listed are for general use only. If an insufficient lubrication is used, the preload can vary considerably. 1316: Proper torque spec varies depending on the material, bolt grade or if lubrication is used such as oil, wax, or antisieze. bolting torque table 2a - cold service astm a320 grade l7 stud bolts. Fasteners should be replaced with the same or higher property class. M16 10.9 280 Nm (ft. 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