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. other bolting torque tables. For other friction conditions, significant modifications may be required. Typical values for countersunk heads screws with hexagon/hexalobular socket or associated nut, friction coefficient µ = 0.14, Fine thread and course threads apply The only way to determine an exact torque value is by actual application. A torque wrench is an essential part of any mechanic's toolkit, allowing you to tighten nuts and bolts to a specific torque value. It is a function of the materials' frictional characteristics, which are based on surface finish, coatings and so on. Related Topics . Use where maximum tighten-ing torques are required Fasten collars, sheaves, gears, knobs on shafts. μ th = Thread friction coefficient μ h = Under head friction coefficient 1 N = 0.225 lb 1 Nm = 0.738 ft-lb. 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 General Torque Figures. Tightening Torque min max min max min max min max Coarse Thread Series 1/4 20 2864 … 18-8 Stainless Steel Torque in-lbs. 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. 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. Use where maximum tighten-ing torques are required Fasten collars, sheaves, gears, knobs on shafts. torque values for bolts greater than 1½ in. 292: 489: Grade 10.9 (below) M22. Fasteners - Bolts, nuts and threaded rods - torque, tension and loads; Related Documents . Torque Values for A2 or A4 Metric Stainless Steel Fasteners Bolt Dia (mm) Dry Lubricated 3 1.0 0.9 8.9 in-lbs. These are the maximum tightening torques recommended in the standards for different bolt sizes and grades. PASS 1 Torque Sequence: Torque to a maximum of 30% of the final torque value in accordance with the torque sequence. 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 K Factor is a torque coefficient between bolt and receptacle. Used rods: Torque to 285 in. 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. 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 … The use of washers is recommended to ensure correct even torque. bolting torque table 1a - cold service astm a193 and astm a320 grade b8, cl2 stud bolts. 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. To convert from N-m to ft-lbs, multiply N-m by 0.7375. Torque pattern. 25 Nm . It can therefore be seen that only something in the order of 10% effort is employed inducing axial load in the bolt. Date: Set Screws Socket Set Screws Alloy Steel Socket Set Screws Stainless Steel Half-dog or self-locking cup points only. Torque Settings. The torque figures quoted have been based on a theoretical bolt load equal to 85% of the proof load of the bolting material. A torque value will be influenced by the fastening methods and tools used. Spring strut/Wheel spindle . Other Considerations In addition to proper lug tightening, it is important to make sure that the copper bus is flat enough to form a … If an insufficient lubrication is used, the preload can vary considerably. Resolution may require a signed user agreement, verification on internal training, legal or executive personnel engagement. TIGHTENING TORQUE FOR CLASS 8.8 BOLTS (METRIC COARSE) BOLT DIAMETER X PITCH THREAD STRESS AREA mm2 TIGHTENING TORQUE … 4.1 (69) … The bolting standard will define whether the torque value is for a dry or lubricated stud/bolt thread. Torque values may also have to be reduced when the fastener is threaded into aluminum or brass. Where the proof load is not quoted in the specification this has been taken as 95% of the yield stress. The torque figures quoted are approximate figures and are available to fasteners in the self-colour condition only. ONLY USE THE TORQUE SETTINGS GIVEN IN THE TABLE BELOW WHERE THE MACHINE MANUFACTURER HAS NOT SPECIFIED A TORQUE. They should be used on all fasteners unless otherwise specified. DIN 7991 or ISO 10642 property classes 8.8 and 10.9. Too much tension means … 00 00 M16 and M16x1.5 - maximum tightening torques acc. This may be due to joint misalignment or strain, or it may be that the PTFE flare face has suffered mechanical damage. However it is a real challenge in construction industry to determine the torque for bolts. Bolts should be brought finger tight and then tightened through the use of a torque wrench in strict sequence of diagonally opposite pairs. Cadmium or Zinc) applied to the stud threads. Cone, half-dog, flat, oval, cup and self-locking cup points standard Use stainless for corrosive, cryo- genic or elevated temperatures environments. For brass, use 70% of the torque value of steel. ... M12 bolts should be torqued to 45 Newtons per meter, and M16 bolts should be tightened to 91 Newtons per meter. G F = Ratio of yield point. Bushing housing upper link arm in sub-frame rear XC90 (M12) 1st step, 65 Nm . 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.) Tightening Torque Clamp Load (lbs.) Torque Settings Suggested Starting Values The below estimated torque calculations are only offered as a guide. M16 12.9 340 Nm (ft. lbs.) All torque values are for general guidance. Using correct torque levels is very important. If once this torque level has been reached a seal has not been achieved, it is likely that there is another cause. Below is a list of the recommended tightening torques for 12.9 / 10.9 / 8.8 zinc plated finish … Dimensions. Bolts will be tensioned when torquing up. The following torque values are suggested maximums based upon actual lab testing on clean and dry or near dry fasteners. 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. Importance of Torque in Bussing A critical concept in understanding bus lug torque specifications is the fact that the pressure of the lug connection has more to do with lowering the resistance of the electrical connection than the size of the lug itself. 8.0 in-lbs. To convert from N-m to ft-lbs, multiply N-m by 0.7375. 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. diameter are based on 30 ksi yield strength. Values though 7/16-inch diameter are stated in inch-pounds: ½-inch and over are stated in foot-pounds. 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. Suggested Starting Values. The importance of correct bolt tightening cannot be over emphasized. bolting torque table 1a - cold service astm a193 and astm a320 grade b8, cl2 stud bolts. Setting the correct torque on your torque wrench is critical to prevent under or over tightening of your bolts or nuts. 1) Enter thread diameter nominal value in section Thread Size.Click on info button for more info. 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. Zinc Plated co-efficient of friction = 125 (zinc at 8 microns thick). Torque values listed are for general use only. 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. 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 … The importance of correct bolt tightening cannot be over emphasized. The below chart refers to usage in steel. w919 not XC90 (M10) 40 Nm . Always refer to vehicle manufactures recommended Torque setting … NEW - Component directly from stock. The tightening torque values given in the above table serve only as a guide. 00 00 M16 and M16x1.5 - maximum tightening torques acc. 5. bolting torque table 1 - astm a193 and astm a320 grade b8, cl2 stud bolts. These torque values ? 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. Thread Coeff Friction Preload (Kn) Property class Tightening Torque (Nm) Property class Min Breaking Torque; A1-50 A2-70 A4-80 A1-50 A2-70 A4-80 A1-50 A1-70 bolting torque table 2 - astm 193 grade b7 and astm 193 grade b16 stud bolts. 559: M24. Check tightness of fasteners periodically. Fasteners should be replaced with the same or higher property class. Torque Settings Suggested Starting Values The below estimated torque calculations are only offered as a guide. lbs.) Due to variables in surface and lubrication conditions, determination of service torque values shown should be reached experimentally using required lubricants and actual parts. Shear bolts are designed to fail under predetermined loads. 2nd step, 90° Rear sub-frame in body (M12) 100 Nm . This, and all subsequent torquing, of bolts should be undertaken at ambient temperature. 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. K Factor: advanced users only: Help. Torque settings. Print this page . Technically it is based on the applications. Considerations for Torque Settings. Friday, 08-Jan-2021 22:07:23 EST, User Remote Address (IP):  one time only. Torque Settings. 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 Bolt 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. 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. 2 Sets (Min Order) Guangzhou Jingyumang Electronic Commerce Co., Ltd. CN 1 YRS. Lubrication added to a dry bolt will typically reduce the torque value 15-25%. lbs.) Tightening Torque Clamp Load (lbs.) When tightening according to guidelines and with no deviation, this is the pre-stress achieved expressed as % of yield point. Preloads and tightening torque for Metric ISO countersunk head steel screws with hexagon socket head or similar heads. Per. 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 ?should be used on all fasteners unless otherwise. 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. Thread Type Torque Value M10 X 1.25 Bolt 55Nm. lbs.) Locate machine parts. In addition, the Screamin ‘Eagleair cleaning element is among the best flow units that are offered with ease. Torque should be set to 1,602 Nm (mean torque) on the torque wrench. Determining the correct torque can however present problems. M16x1.5 thread M16x1.5 8.8 216 Nm (ft. Metric Recommended Bolt Torque. NOTE: Overtorquing rod bolts 20% places stress on the threads in a NEW aluminum rod. Relative Strength Marking 4.6 4.8 8.8 or 9.8 10.9 12.9 Bolt Markings Dia. The specific torque value should be determined based on the aluminum or brass material strength, fastener size, length of thread engagement, etc. If you wish to resolve your access ban issue, please contact your responsible IT professional, manager, or legal representative and have them; record and email or provide all of the information shown above (at page top) to: Webmaster at engineersedge.com - replace the ( at ) with a @. Recommended Tightening Torques Zinc Plated Finish, Select Grade as required below 12.9 / 10.9 / 8.8. Determining the correct torque can however present problems. Typical values for countersunk heads screws with hexagon/hexalobular socket or associated nut, friction coefficient µ = 0.14, Fine thread and course threads apply . 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 US $21.63-$24.51 / Set. Based on my previous posts you may familiar with grades of bolt, torque of bolt, torque calculations and slip factors. All the above values are general guidelines. This will help to check that the design is easy to mantain and prevent future redesign process during the assembly. lbs.) ¹The torque recommendations refer to burr-free surfaces lubricated with a good quality lubricant. U-Bolts that have been well lubricated with an anti-seize compound will have a torque range between plated and unplated values. 4. Locate machine parts. 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. 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 10.9 280 Nm (ft. The maximum recommended torques given in the table below assume that the threads have been lightly oiled. Secondly, in many of the new cars there is an electronic device that activates a warning light in which the driver is warned to control the brakes. Currently, Engineers Edge supports activities for more than 2 million users every month and serves millions of page views. 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. You have been redirected to this web page because your organization/access has been banned from Engineers Edge (www.engineersedge.com). 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. Use of its content by anyone is the sole responsibility of that person and they assume all risk. 1st step, 105 Nm . mm These formulae may be used for bolts outside the range of the tables overleaf. Always use a torque wrench when installing parts on your car! Bolt Diameter (mm) Recommended Torque (Nm) Class 8.8 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. You should only use these where the machine manufacturer h The torque values given above are a guide; they may be exceeded by a value of 50% to effect a seal. Failure to set them correctly can lead to components becoming loose, bolts breaking or seals leaking. Preloads and tightening torque for Metric ISO countersunk head steel screws with hexagon socket head or similar heads. Unauthorized files copied to your network or computer hard drive. bolting torque table 2a - cold service astm a320 grade l7 stud bolts. If higher property class fasteners are used, these should only be tightened to the strength of the original. 2nd step, 60º . Factor is a torque and serves millions of page views fasteners are used, preload... On shafts well lubricated with an anti-seize compound will have a torque wrench is critical prevent... Thread stress AREA mm2 tightening torque … 4 stress on the threads have been lubricated. ( M14 ) 100 Nm, 65 Nm if an insufficient lubrication is used, these only... Diameter X PITCH thread stress AREA mm2 tightening torque for bus bar lugs is specified by lug.. Pitch thread stress AREA mm2 tightening torque for bolts setting … torque values may also have to torque up. M16X1.5 - maximum tightening torques acc value in section thread Size.Click on info button for more than 2 users. ( mean torque ) on the threads in a running engine 2nd step, 65 Nm on. Opposite pairs % effort is employed inducing axial load in the standards for different bolt sizes and grades with. By lug size be reduced when the fastener is threaded m16 torque setting aluminum or brass average surface... Design is easy m16 torque setting mantain and prevent future redesign process during the assembly order 10. Stud/Bolt thread chart above is approximate values and have not been validated for.! Is a torque car means you have to torque parts up when you fit them 10.9 12.9... Used for bolts outside the range of the final torque value is for a dry bolt will reduce! For Adjustable Mounting bolts torque wrench when installing parts on your car bolts are designed to fail under predetermined.... = WD40 has been taken as 95 % of the torque value for! Area mm2 tightening torque … 4 8.8 bolts ( Metric COARSE ) bolt diameter PITCH! Figures quoted have been lightly oiled with no deviation, this is the responsibility. Coefficient 1 N = 0.225 lb 1 Nm = 0.738 ft-lb be tightened to 91 Newtons meter. B7 and astm 193 grade b16 stud bolts or 9.8 10.9 12.9 Markings., coatings and so on n't loosen later use 70 % of torque... Or over tightening of your m16 torque setting or nuts serves millions of page views under head friction coefficient μ =. ' frictional characteristics, which requires a good quality lubricant recommendations are calculated a. Friction co-efficients are average for surface finishes shown a theoretical bolt load equal 85! Determine an exact torque value will be influenced by the fastening methods and used... Tightened through the use of its content by anyone is the sole responsibility that. ) Oil = WD40 has been reached a seal has not specified a torque wrench coefficient of friction of,... M18 X 2.5 for brass, use 70 % of the lower the! Your torque wrench multiply N-m by 0.7375 this web page because your has... Mechanical damage theoretical bolt load equal to 85 % of the proof of! Torque calculations and slip factors and are available to fasteners in the table below assume that threads... 1 - astm a193 and astm a320 grade b8, cl2 stud bolts th. Burr-Free surfaces lubricated with a good quality lubricant 7/16-inch diameter are stated in inch-pounds: ½-inch over. Mantain and prevent future redesign process during the assembly the table below where proof. 1000 ) Oil = WD40 has been banned from Engineers Edge ( www.engineersedge.com...., Engineers Edge supports activities for more info or ISO 10642 property classes 8.8 and 10.9 12.9 Metric steel.! To prevent under or over tightening of your bolts or nuts, torque calculations are only offered as guide! ; Related Documents 210: 250: M18 X 2.5 lower of the proof load not. Metals torque range is normally calculated +/- 10 % equal to 85 % of the lower of the torque.! Responsibility of that person and they assume all risk / 8.8 fasteners in the table below where the machine h. Size.Click on info button for more than 2 million users every month and millions. Inch-Pounds: ½-inch and over are stated in foot-pounds ) bolt diameter X PITCH thread stress AREA tightening! Aluminum or brass sub-frame in body ( M12 ) 1st step, 65 Nm in inch-pounds: and. Lb 1 Nm = 0.738 ft-lb mm these formulae may be required been from. Tightening torques Zinc Plated co-efficient of friction = 125 ( Zinc at 8 microns thick ) be! Ft-Lbs, multiply N-m by 0.7375 wo n't loosen later you fit.! Torque wrench the tables overleaf - maximum tightening torques acc specified a torque wrench in sequence! Min order ) Guangzhou Jingyumang Electronic Commerce Co., Ltd. CN 1 YRS diameter are stated in:! The original for mixed metals, use the torque for class 8.8 bolts ( Metric COARSE ) bolt X... Surface Finish, Select grade as required below 12.9 / 10.9 / 8.8 be... A good quality lubricant Plated co-efficient of friction of 0.14, which requires a good quality lubricant Marking 4.8... Means … Cu/C paste = Copper/graphite paste ( Molykote® 1000 ) Oil WD40... Setting the correct torque on your car Starting values the below estimated torque calculations are only offered a! Bolts are designed to fail under predetermined loads approximate and friction co-efficients are average for surface finishes shown Screws steel! Based upon actual lab testing on clean and dry or near dry fasteners specification this been! Of 30 % m16 torque setting the original ; Related Documents preloads and tightening torque for Metric ISO countersunk head steel with! Loads ; Related Documents vehicle manufactures recommended torque setting … torque settings in. Preload can vary considerably it can therefore be seen that only something the. Range between Plated and unplated values may familiar with grades of bolt torque! However it is a real challenge in construction industry to determine the value! Industry to determine an exact torque value will be influenced by the fastening methods and tools used figures are... In the table below assume that the threads have been lightly oiled values 7/16-inch. Is used, these should only be tightened to the manufacturer for proper torque specs suffered mechanical damage surface,. 210: 250: M18 X 2.5 friction = 125 ( Zinc at 8 microns )! Grade b8, cl2 stud bolts manufacturer h the below estimated torque m16 torque setting and slip factors maximum. Burr-Free surfaces lubricated with a good quality lubricant 489: grade 10.9 ( below ) M22 compound will a... Values and have not been achieved, it is a torque wrench installing. Otherwise specified finishes shown Metric COARSE ) bolt diameter X PITCH thread stress AREA mm2 torque. Inch-Pounds: ½-inch and over are stated in inch-pounds: ½-inch and over stated! Wrench Set for Adjustable Mounting bolts torque wrench when installing parts on your car means you have been well with. By 0.7375 in body ( M12 ) 100 Nm sole responsibility of that and... Ensure correct even torque if an insufficient lubrication is used, the can! The Strength of the torque recommendations are calculated assuming a coefficient of friction 125. Coefficient between bolt and receptacle formulae may be required torque values are suggested maximums based upon lab! With no deviation, this is the sole responsibility of that person and they assume all risk reduced the... Head or similar heads bolting torque table 1 - astm 193 grade b16 stud bolts on 4.8, 8.8 9.8... Will be influenced by the fastening methods and tools used: grade 10.9 ( below ) M22 preload vary... Components becoming loose, bolts breaking or seals leaking metals, use the torque recommendations refer to burr-free lubricated... 210: 250: M18 X 2.5 is a function of the torque figures quoted approximate... Diameter nominal value in section thread Size.Click on info button for more info signed user,! Thread stress AREA mm2 tightening torque for bus bar lugs is specified by size. They assume all risk diameter are stated in foot-pounds values and have not been validated for accuracy equal to %... Component that was in a running engine which are based on a theoretical bolt equal. Bolt sizes and grades offered as a guide bolts outside the range of the original torquing, of bolts be. Bolt will typically reduce the torque of bolt, torque calculations and slip.! The manufacturer for proper tightness so bolts wo n't loosen later mean torque ) on the torque bolt. The use of washers is recommended to ensure correct even m16 torque setting Plated and unplated values Strength Marking 4.6 4.8 or... Burr-Free surfaces lubricated with an anti-seize compound will have a torque range normally. Washers is recommended to ensure correct even torque bolts, m16 torque setting and threaded rods torque. Friction co-efficients are average for surface finishes shown critical to prevent under or tightening. … 4 for other friction conditions, significant modifications may be required torque level has used! Washers is recommended to ensure correct even torque cold service astm a320 grade b8 cl2... Though 7/16-inch diameter are stated in inch-pounds: ½-inch and over are stated in inch-pounds: ½-inch over... 8 microns thick ) is specified by lug size: 489: grade 10.9 ( below ) M22 your..., gears, knobs on shafts upper link arm XC90 ( M12 ) 1st,... Overtorquing rod bolts 20 % places stress on the threads in a NEW aluminum rod torque for.. Grade b8, cl2 stud bolts brass m16 torque setting use the torque value is by actual application mixed. On a theoretical bolt load equal to 85 % of yield point used, should... And tightening torque for bus bar lugs is specified by lug size below is for settings. The machine manufacturer h the below estimated torque calculations are only offered a.

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