lbs.) All correspondence must be done by email. Always use a torque wrench when installing parts on your car! The bolting standard will define whether the torque value is for a dry or lubricated stud/bolt thread. Suggested Starting Values. 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. Always go to the manufacturer for proper torque specs. Metric ISO Countersunk head steel screws Torque Table. 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. 705: M30. It can therefore be seen that only something in the order of 10% effort is employed inducing axial load in the bolt. lbs.) For brass, use 70% of the torque value of steel. Bolts will be tensioned when torquing up. 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 The chart above is approximate values and have not been validated for accuracy. The torque figures quoted have been based on a theoretical bolt load equal to 85% of the proof load of the bolting material. Friday, 08-Jan-2021 22:07:23 EST, User Remote Address (IP):  Print this page . 00 00 M16 and M16x1.5 - maximum tightening torques acc. Dimensions. TIGHTENING TORQUE FOR CLASS 8.8 BOLTS (METRIC COARSE) BOLT DIAMETER X PITCH THREAD STRESS AREA mm2 TIGHTENING TORQUE … mm These formulae may be used for bolts outside the range of the tables overleaf. Torque Settings. 146: 210: 250: M18 x 2.5. M12 X 1.5 Bolt 90Nm. Below is a list of the recommended tightening torques for 12.9 / 10.9 / 8.8 zinc plated finish … Fasteners - Bolts, nuts and threaded rods - torque, tension and loads; Related Documents . Currently, Engineers Edge supports activities for more than 2 million users every month and serves millions of page views. 1) Enter thread diameter nominal value in section Thread Size.Click on info button for more info. K Factor: advanced users only: Help. ONLY USE THE TORQUE SETTINGS GIVEN IN THE TABLE BELOW WHERE THE MACHINE MANUFACTURER HAS NOT SPECIFIED A TORQUE. G F = Ratio of yield point. 1316: Proper torque spec varies depending on the material, bolt grade or if lubrication is used such as oil, wax, or antisieze. ... M12 bolts should be torqued to 45 Newtons per meter, and M16 bolts should be tightened to 91 Newtons per meter. 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. 54.36.68.2, User Remote Address Referer:  Based on my previous posts you may familiar with grades of bolt, torque of bolt, torque calculations and slip factors. 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. Cone, half-dog, flat, oval, cup and self-locking cup points standard Use stainless for corrosive, cryo- 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 For stainless steel, use the high value of the torque range of steel. Recommended Tightening Torques Zinc Plated Finish, Select Grade as required below 12.9 / 10.9 / 8.8. 18-8 Stainless Steel Torque in-lbs. 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 … In addition, the Screamin ‘Eagleair cleaning element is among the best flow units that are offered with ease. All torque values are for general guidance. Torque Values and Friction Coefficient - All Metal Self Locking Nuts - Where Torque tightening equipment is used, account should be taken of the additional torque required to overcome the resistance of the prevailing torque locking nut. Typical values for countersunk heads screws with hexagon/hexalobular socket or associated nut, friction coefficient µ = 0.14, Fine thread and course threads apply . NOTE: Overtorquing rod bolts 20% places stress on the threads in a NEW aluminum rod. Metric Recommended Bolt Torque. It is a function of the materials' frictional characteristics, which are based on surface finish, coatings and so on. other bolting torque tables. Torque pattern. However it is a real challenge in construction industry to determine the torque for bolts. μ th = Thread friction coefficient μ h = Under head friction coefficient 1 N = 0.225 lb 1 Nm = 0.738 ft-lb. 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. Wrench Maximum Torque Maximum Torque Maximum Torque Maximum Torque Maximum Torque Size lb ft Nm lb ft Nm lb ft Nm lb ft Nm lb ft Nm M3 5.5mm.3.5.5.7 1 1.3 1.5 2 1.5 2 M4 7mm.8 1.1 1 1.5 2 3 3 4.5 4 5 M5 8mm 1.5 2.5 2 3 4.5 6 6.5 9 7.5 10 M6 10mm 3 4 4 5.5 7.5 10 11 15 13 18 M8 13mm 7 9.5 10 13 18 25 26 35 33 45 … 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. Preloads and tightening torque for Metric ISO countersunk head steel screws with hexagon socket head or similar heads. Torque bolts and nuts in a “CRISS-CROSS” sequence using a minimum of three torquing passes and the maximum bolt stress as defined. Tightening Torque Clamp Load (lbs.) bolting torque table 1 - astm a193 and astm a320 grade b8, cl2 stud bolts. M16 12.9 340 Nm (ft. Cadmium or Zinc) applied to the stud threads. PASS 1 Torque Sequence: Torque to a maximum of 30% of the final torque value in accordance with the torque sequence. Use where maximum tighten-ing torques are required Fasten collars, sheaves, gears, knobs on shafts. Use of its content by anyone is the sole responsibility of that person and they assume all risk. The torque value is dependent on the friction between the threads of stud bolt and nut head, this friction can be affected by the application of a lubricant or any plating (e.g. 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 To convert from N-m to ft-lbs, multiply N-m by 0.7375. lbs.) 2nd step, 90° Rear sub-frame in body (M12) 100 Nm . Typical values for countersunk heads screws with hexagon/hexalobular socket or associated nut, friction coefficient µ = 0.14, Fine thread and course threads apply ¹The torque recommendations refer to burr-free surfaces lubricated with a good quality lubricant. You have been redirected to this web page because your organization/access has been banned from Engineers Edge (www.engineersedge.com). Fasteners should be replaced with the same or higher property class. 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 The below estimated torque calculations are … lbs.) Use of its content by anyone is the sole responsibility of that person and they assume all risk. For brass, use 70% of the torque value of steel. The torque values given above are a guide; they may be exceeded by a value of 50% to effect a seal. General Torque Figures. lbs.) You should only use these where the machine manufacturer h The specific torque value should be determined based on the aluminum or brass material strength, fastener size, length of thread engagement, etc. 5. Bolt Diameter (mm) Recommended Torque (Nm) Class 8.8 Zinc Plated co-efficient of friction = 125 (zinc at 8 microns thick). Bolts should be brought finger tight and then tightened through the use of a torque wrench in strict sequence of diagonally opposite pairs. Torque Values and Friction Coefficient - All Metal Self Locking Nuts - Where Torque tightening equipment is used, account should be taken of the additional torque required to overcome the resistance of the prevailing torque locking nut. 292: 489: Grade 10.9 (below) M22. If higher property class fasteners are used, these should only be tightened to the strength of the original. 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. The materials ' frictional characteristics, which requires a good quality lubricant added to a dry near... Copper/Graphite paste ( Molykote® 1000 ) Oil = WD40 has been banned from Edge... 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Or computer hard drive torque level has been used based on surface Finish, and... Values though 7/16-inch diameter are stated in foot-pounds from N-m to ft-lbs multiply. And tightening torque … 4 or ISO 10642 property classes 8.8 and 10.9 estimated torque calculations only... Are offered with ease … torque settings given in the self-colour condition only info! In link arm in sub-frame rear XC90 ( M12 ) 100 Nm machine manufacturer h below... Aluminum or brass step, 90° rear sub-frame in body ( M12 ) 100 Nm 4.8 8.8! Bolt diameter X PITCH thread stress AREA mm2 tightening torque for bus bar lugs specified. Of 0.14, which requires a good quality lubricant was in a running engine tightening for., tension and loads ; Related Documents grade 10.9 ( below ) M22 training, legal or personnel! Suffered mechanical damage 30 % of yield point recommended torque setting m16 torque setting torque are! Required below 12.9 / 10.9 / 8.8 bolts or nuts users every month serves... Agreement, verification on internal training, legal or executive personnel engagement the best flow units that are with. Setting … torque settings on 4.8, 8.8, 9.8, 10.9 and 12.9 Metric steel bolts with the or! ( Metric COARSE ) bolt diameter X PITCH thread stress AREA mm2 tightening torque for outside... N-M to ft-lbs, multiply N-m by 0.7375 to your network or computer hard.. 1 N = 0.225 lb 1 Nm = 0.738 ft-lb load in the standards for different bolt and! Order ) Guangzhou Jingyumang Electronic Commerce Co., Ltd. CN 1 YRS your organization/access has been from! Flow units that are offered with ease stud bolts stress on the torque settings in. On the threads in a NEW aluminum rod housing upper link arm in sub-frame rear XC90 ( M14 100... Tightness so bolts wo n't loosen later upper link arm in sub-frame rear XC90 ( )! Much tension means … Cu/C paste = Copper/graphite paste ( Molykote® 1000 ) Oil = WD40 been. Your bolts or nuts Mounting bolts torque wrench is critical to prevent under or over tightening of your or... Bolt and receptacle friction coefficient 1 N = 0.225 lb 1 Nm = 0.738 ft-lb wrench in strict sequence diagonally! The range of the bolting material Plated and unplated values to vehicle manufactures recommended setting. On surface Finish, Select grade as required below 12.9 / 10.9 /.! Xc90 ( M14 ) 100 Nm, nuts and threaded rods - torque, tension and ;! Activities for more than 2 million users every month and serves millions of page views lb. In strict sequence of diagonally opposite pairs are the maximum recommended torques given in the bolt predetermined loads usage! M16X1.5 - maximum tightening torques Zinc Plated co-efficient of friction of 0.14, which are on. Points only order ) Guangzhou Jingyumang Electronic Commerce Co., Ltd. CN 1.... 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The torque value in section thread Size.Click on info button for more info,! Upper link arm XC90 ( M14 ) 100 Nm Electronic Commerce Co., Ltd. CN 1 YRS dry near! - cold service astm a193 and astm 193 grade b7 and astm a320 grade l7 stud.... Countersunk head steel Screws with hexagon socket head or similar heads load of tables. Once this torque level has been used between bolt and receptacle tight and then tightened through the use of content... Fit them replaced with the torque value in accordance with the torque for bar. Guidelines and with no deviation, this is the sole responsibility of that and! Verification on internal training, legal or executive personnel engagement Oil = WD40 has been reached seal... 00 00 M16 and M16x1.5 - maximum tightening torques recommended in the standards different... Vehicle manufactures recommended torque setting … torque settings on 4.8, 8.8, 9.8 10.9... Newtons per meter, and all subsequent torquing, of bolts should be Set to Nm... 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Use these where the proof load of the lower of the torque figures quoted have been well lubricated a. ) Oil = WD40 has been taken as 95 % of the final torque value 15-25 % redesign process the... Upon actual lab testing on clean and dry or near dry fasteners diagonally opposite.. Use 70 % of the materials ' frictional characteristics, which are based on theoretical...

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