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. The maximum recommended torques given in the table below assume that the threads have been lightly oiled. If an insufficient lubrication is used, the preload can vary considerably. 2 Sets (Min Order) Guangzhou Jingyumang Electronic Commerce Co., Ltd. CN 1 YRS. The chart below is for torque settings on 4.8, 8.8, 9.8, 10.9 and 12.9 metric steel bolts. K Factor is a torque coefficient between bolt and receptacle. The tightening torque values given in the above table serve only as a guide. Currently, Engineers Edge supports activities for more than 2 million users every month and serves millions of page views. All correspondence must be done by email. Torque for bus bar lugs is specified by lug size. G F = Ratio of yield point. The torque values given above are a guide; they may be exceeded by a value of 50% to effect a seal. PASS 1 Torque Sequence: Torque to a maximum of 30% of the final torque value in accordance with the torque sequence. A torque wrench is an essential part of any mechanic's toolkit, allowing you to tighten nuts and bolts to a specific torque value. Metric ISO Countersunk head steel screws Torque Table. bolting torque table 2 - astm 193 grade b7 and astm 193 grade b16 stud bolts. Accepted formulae relating torque and tension, based on many tests are: M = P x D M = torque lbf.ft 60 P = bolt tension lbf D = bolt dia.ins Or for metric sizes: M = P x D M = torque N.m 5000 P = bolt tension Newtons D = bolt dia. The below estimated torque calculations are only offered as a guide. Torque pattern. Check that gasket is … Fasteners - Bolts, nuts and threaded rods - torque, tension and loads; Related Documents . Cone, half-dog, flat, oval, cup and self-locking cup points standard Use stainless for corrosive, cryo- genic or elevated temperatures environments. Suggested Starting Values. Bolt Diameter (mm) Recommended Torque (Nm) Class 8.8 For other friction conditions, significant modifications may be required. 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. (none), User Agent: For stainless steel, use the high value of the torque range of steel. Print this page . TIGHTENING TORQUE FOR CLASS 8.8 BOLTS (METRIC COARSE) BOLT DIAMETER X PITCH THREAD STRESS AREA mm2 TIGHTENING TORQUE … Locate machine parts. Unauthorized files copied to your network or computer hard drive. ¹The torque recommendations refer to burr-free surfaces lubricated with a good quality lubricant. 4. M14 X 1.75 Bolt 110Nm However it is a real challenge in construction industry to determine the torque for bolts. U-Bolts that have been well lubricated with an anti-seize compound will have a torque range between plated and unplated values. Preloads and tightening torque for Metric ISO countersunk head steel screws with hexagon socket head or similar heads. 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. Determining the correct torque can however present problems. The following torque values are suggested maximums based upon actual lab testing on clean and dry or near dry fasteners. Metric Recommended Bolt Torque. 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. The torque recommendations are calculated assuming a coefficient of friction of 0.14, which requires a good quality lubricant. 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. Rear cross member. Working on your car means you have to torque parts up when you fit them. Tightening Torque Clamp Load (lbs.) 8.0 in-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. Based on my previous posts you may familiar with grades of bolt, torque of bolt, torque calculations and slip factors. USED - Component that was in a running engine. It can therefore be seen that only something in the order of 10% effort is employed inducing axial load in the bolt. Torque Values for A2 or A4 Metric Stainless Steel Fasteners Bolt Dia (mm) Dry Lubricated 3 1.0 0.9 8.9 in-lbs. bolting torque table 2a - cold service astm a320 grade l7 stud bolts. For … Torque Settings Suggested Starting Values The below estimated torque calculations are only offered as a guide. Ball joint in wheel spindle, aluminum from and incl. 559: M24. 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 These are the maximum tightening torques recommended in the standards for different bolt sizes and grades. 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. 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. 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. See Screwed joint, torque/angle tightening . If once this torque level has been reached a seal has not been achieved, it is likely that there is another cause. This allows the fastener to be set very precisely, avoiding the risk of overtightening which could lead to damage of components or stripped threads, or under tightening which can lead to a fastener backing out and the joint coming apart. Preloads and tightening torque for Metric ISO countersunk head steel screws with hexagon socket head or similar heads. The below chart refers to usage in steel. 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 Using correct torque levels is very important. 5. Suggested torque amount. 705: M30. Print this page . Bolt Diameter (mm) Recommended Torque (Nm) Class 8.8 Date: Note 3 - Overtorque 20%, loosen below torque value and retorque to final torque value. ONLY USE THE TORQUE SETTINGS GIVEN IN THE TABLE BELOW WHERE THE MACHINE MANUFACTURER HAS NOT SPECIFIED A TORQUE. Cone, half-dog, flat, oval, cup and self-locking cup points standard Use stainless for corrosive, cryo- For other friction conditions, significant modifications may be required. M16x1.5 10.9 303 Nm (ft. bolting torque table 1a - cold service astm a193 and astm a320 grade b8, cl2 stud bolts. The importance of correct bolt tightening cannot be over emphasized. lbs.) 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. 54.36.68.2, User Remote Address Referer:  one time only. 1) Enter thread diameter nominal value in section Thread Size.Click on info button for more info. Use of its content by anyone is the sole responsibility of that person and they assume all risk. The importance of correct bolt tightening cannot be over emphasized. Torque values may also have to be reduced when the fastener is threaded into aluminum or brass. If you introduce the screw standard and thread size you will have the link to the recommended 3D models tools in order to check the required space to apply torque and to remove the screw. Values though 7/16-inch diameter are stated in inch-pounds: ½-inch and over are stated in foot-pounds. 316 Stainless Steel Torque in-lbs. M16x1.5 12.9 364 Nm (ft. 00 00 M16 and M16x1.5 - maximum tightening torques acc. Locate machine parts. Related Topics . 18-8 Stainless Steel Torque in-lbs. The following torque values are suggested maximums based upon actual lab testing on clean and dry or near dry fasteners. If higher property class fasteners are used, these should only be tightened to the strength of the original. 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. Torque Settings. This, and all subsequent torquing, of bolts should be undertaken at ambient temperature. 1st step, 105 Nm . For mixed metals, use the torque of the lower of the two metals Torque range is normally calculated +/- 10%. Torque values listed are for general use only. lbs.) All the above values are general guidelines. 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. Torque settings. Due to variables in surface and lubrication conditions, determination of service torque values shown should be reached experimentally using required lubricants and actual parts. M16 10.9 280 Nm (ft. A torque value will be influenced by the fastening methods and tools used. Fasteners should be replaced with the same or higher property class. lbs.) 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 Too much tension means … Socket Set Screws Alloy Steel Socket Set Screws Stainless Steel Half-dog or self-locking cup points only. In addition, the Screamin ‘Eagleair cleaning element is among the best flow units that are offered with ease. NOTE: Overtorquing rod bolts 20% places stress on the threads in a NEW aluminum rod. 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 … 2nd step, 60º . Metric Recommended Bolt Torque. lbs.) For mixed metals, use the torque of the lower of the two metals Torque range is normally calculated +/- 10%. Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36. All torque values are for general guidance. 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. 16mm (M16) 195Nm: 280Nm: 290Nm: xx Note than when fitting bolts into Ally threads like rivnuts, manifolds and S1 uprights then the torque may need to be reduced. Check tightness of fasteners periodically. You should only use these where the machine manufacturer h 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 210: 341: M20 x 2.5. The only way to determine an exact torque value is by actual application. Can lead to components becoming loose, bolts breaking or seals leaking torquing, of bolts should be with... 85 % of the yield stress with ease only way to determine torque... 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Always go to the Strength of the materials ' frictional characteristics, which requires a good quality.. To 85 % of the original WD40 has been m16 torque setting from Engineers Edge activities... Approximate and friction co-efficients are average for surface finishes shown this has been used way to the. … ¹The torque recommendations are calculated assuming a coefficient of friction of 0.14, which are based surface! Overtorquing rod bolts 20 % places stress on the torque value of steel grade 10.9 ( below ) M22 steel! In body ( M12 ) 100 Nm and prevent future redesign process during the.! For class 8.8 bolts ( Metric COARSE ) bolt diameter X PITCH thread stress AREA mm2 tightening for... Have a torque value in section thread Size.Click on info button for more than 2 users! Starting values the below chart refers to usage in steel steel Screws with hexagon socket or...