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. Bolts should be brought finger tight and then tightened through the use of a torque wrench in strict sequence of diagonally opposite pairs. Below is a list of the recommended tightening torques for 12.9 / 10.9 / 8.8 zinc plated finish … 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. Use of its content by anyone is the sole responsibility of that person and they assume all risk. PASS 1 Torque Sequence: Torque to a maximum of 30% of the final torque value in accordance with the torque sequence. The torque values given above are a guide; they may be exceeded by a value of 50% to effect a seal. Check tightness of fasteners periodically. The chart below is for torque settings on 4.8, 8.8, 9.8, 10.9 and 12.9 metric steel bolts. 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. 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. bolting torque table 2 - astm 193 grade b7 and astm 193 grade b16 stud bolts. Torque Settings Suggested Starting Values The below estimated torque calculations are only offered as a guide. bolting torque table 2 - astm 193 grade b7 and astm 193 grade b16 stud bolts. Bushing housing upper link arm in sub-frame rear XC90 (M12) 1st step, 65 Nm . Setting the correct torque on your torque wrench is critical to prevent under or over tightening of your bolts or nuts. 2 Sets (Min Order) Guangzhou Jingyumang Electronic Commerce Co., Ltd. CN 1 YRS. 316 Stainless Steel Torque in-lbs. The importance of correct bolt tightening cannot be over emphasized. Torque Values for A2 or A4 Metric Stainless Steel Fasteners Bolt Dia (mm) Dry Lubricated 3 1.0 0.9 8.9 in-lbs. lbs.) The torque figures quoted have been based on a theoretical bolt load equal to 85% of the proof load of the bolting material. M16 10.9 280 Nm (ft. w919 not XC90 (M10) 40 Nm . 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 @. Per. Preloads and tightening torque for Metric ISO countersunk head steel screws with hexagon socket head or similar heads. If once this torque level has been reached a seal has not been achieved, it is likely that there is another cause. diameter are based on 30 ksi yield strength. Set Screws Socket Set Screws Alloy Steel Socket Set Screws Stainless Steel Half-dog or self-locking cup points only. Always refer to vehicle manufactures recommended Torque setting … U-Bolts that have been well lubricated with an anti-seize compound will have a torque range between plated and unplated values. 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.) Too much tension means … 00 00 M16 and M16x1.5 - maximum tightening torques acc. 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. The chart above is approximate values and have not been validated for accuracy. ¹The torque recommendations refer to burr-free surfaces lubricated with a good quality lubricant. US $21.63-$24.51 / Set. Metric Recommended Bolt Torque. 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. All torque values are for general guidance. Lubrication added to a dry bolt will typically reduce the torque value 15-25%. The torque recommendations are calculated assuming a coefficient of friction of 0.14, which requires a good quality lubricant. For brass, use 70% of the torque value of steel. lbs.) Torque for bus bar lugs is specified by lug size. This allows for proper tightness so bolts won't loosen later. 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. Torque bolts and nuts in a “CRISS-CROSS” sequence using a minimum of three torquing passes and the maximum bolt stress as defined. For … Rear cross member. Failure to set them correctly can lead to components becoming loose, bolts breaking or seals leaking. one time only. 146: 210: 250: M18 x 2.5. Locate machine parts. Recommended Tightening Torques Zinc Plated Finish, Select Grade as required below 12.9 / 10.9 / 8.8. 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. bolting torque table 1 - astm a193 and astm a320 grade b8, cl2 stud bolts. ONLY USE THE TORQUE SETTINGS GIVEN IN THE TABLE BELOW WHERE THE MACHINE MANUFACTURER HAS NOT SPECIFIED A TORQUE. The below chart refers to usage in steel. When tightening according to guidelines and with no deviation, this is the pre-stress achieved expressed as % of yield point. 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. 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. μ th = Thread friction coefficient μ h = Under head friction coefficient 1 N = 0.225 lb 1 Nm = 0.738 ft-lb. 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. 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 00 00 M16 and M16x1.5 - maximum tightening torques acc. 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. All values other than suggested torque amount are sourced directly from flange bolt charts and flange torque charts in the ASME B16.5 "Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard" (2017). Note 3 - Overtorque 20%, loosen below torque value and retorque to final torque value. Tightening Torque Clamp Load (lbs.) Preloads and tightening torque for Metric ISO countersunk head steel screws with hexagon socket head or similar heads. To convert from N-m to ft-lbs, multiply N-m by 0.7375. www.brightonbest.co.uk • the web site where it happens PAGE3 … ... M12 bolts should be torqued to 45 Newtons per meter, and M16 bolts should be tightened to 91 Newtons per meter. The bolting standard will define whether the torque value is for a dry or lubricated stud/bolt thread. Related Topics . Shear bolts are designed to fail under predetermined loads. 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. Torque values listed are for general use only. lbs.) These torque values ? The torque figures quoted are approximate figures and are available to fasteners in the self-colour condition only. 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. Considerations for Torque Settings. other bolting torque tables. 4. M16x1.5 10.9 303 Nm (ft. G F = Ratio of yield point. 705: M30. For brass, use 70% of the torque value of steel. 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 … You have been redirected to this web page because your organization/access has been banned from Engineers Edge (www.engineersedge.com). It is a function of the materials' frictional characteristics, which are based on surface finish, coatings and so on. Torque Settings. Always replace shear bolts with identical property class. Torque settings. All correspondence must be done by email. bolting torque table 1a - cold service astm a193 and astm a320 grade b8, cl2 stud bolts. The maximum recommended torques given in the table below assume that the threads have been lightly oiled. For mixed metals, use the torque of the lower of the two metals Torque range is normally calculated +/- 10%. Print this page . 292: 489: Grade 10.9 (below) M22. M14 X 1.75 Bolt 110Nm 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. Always use a torque wrench when installing parts on your car! General Torque Figures. 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. Torque pattern. This, and all subsequent torquing, of bolts should be undertaken at ambient temperature. Where the proof load is not quoted in the specification this has been taken as 95% of the yield stress. Metric ISO Countersunk head steel screws Torque Table. Socket Set Screws Alloy Steel Socket Set Screws Stainless Steel Half-dog or self-locking cup points only. 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. Use where maximum tighten-ing torques are required Fasten collars, sheaves, gears, knobs on shafts. The only way to determine an exact torque value is by actual application. 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 Dimensions. Tightening Torque Clamp Load (lbs.) 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. 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. Suggested Starting Values. Technically it is based on the applications. Bicycle Parts Repair Tools 15PCS 2-14NM Configuration Preset Type Torque Wrench Set For Adjustable Mounting Bolts Torque Wrench. 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 X 1.5 Bolt 90Nm. Metric Recommended Bolt Torque. 559: M24. 4.1 (69) … 1) Enter thread diameter nominal value in section Thread Size.Click on info button for more info. To convert from N-m to ft-lbs, multiply N-m by 0.7375. 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. 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 Bolts will be tensioned when torquing up. Cone, half-dog, flat, oval, cup and self-locking cup points standard Use stainless for corrosive, cryo- Determining the correct torque can however present problems. Cu/C paste = Copper/graphite paste (Molykote® 1000) Oil = WD40 has been used. USED - Component that was in a running engine. The below estimated torque calculations are only offered as a guide. See Screwed joint, torque/angle tightening . Always go to the manufacturer for proper torque specs. Torque values may also have to be reduced when the fastener is threaded into aluminum or brass. 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. For mixed metals, use the torque of the lower of the two metals Torque range is normally calculated +/- 10%. The following torque values are suggested maximums based upon actual lab testing on clean and dry or near dry fasteners. Ball joint in link arm XC90 (M14) 100 Nm . It can therefore be seen that only something in the order of 10% effort is employed inducing axial load in the bolt. Using correct torque levels is very important. 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 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 … This may be due to joint misalignment or strain, or it may be that the PTFE flare face has suffered mechanical damage. 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. Determining the correct torque can however present problems. 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. 210: 341: M20 x 2.5. Values though 7/16-inch diameter are stated in inch-pounds: ½-inch and over are stated in foot-pounds. Ball joint in wheel spindle, aluminum from and incl. TIGHTENING TORQUE FOR CLASS 8.8 BOLTS (METRIC COARSE) BOLT DIAMETER X PITCH THREAD STRESS AREA mm2 TIGHTENING TORQUE … Bolt Size . torque values for bolts greater than 1½ in. If higher property class fasteners are used, these should only be tightened to the strength of the original. Relative Strength Marking 4.6 4.8 8.8 or 9.8 10.9 12.9 Bolt Markings Dia. M16 x 2. The use of washers is recommended to ensure correct even torque. Bolt Diameter (mm) Recommended Torque (Nm) Class 8.8 ?should be used on all fasteners unless otherwise. Check that gasket is … Typical values for countersunk heads screws with hexagon/hexalobular socket or associated nut, friction coefficient µ = 0.14, Fine thread and course threads apply You should only use these where the machine manufacturer h 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 Type Torque Value M10 X 1.25 Bolt 55Nm. Based on my previous posts you may familiar with grades of bolt, torque of bolt, torque calculations and slip factors. 25 Nm . Zinc Plated co-efficient of friction = 125 (zinc at 8 microns thick). 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. K Factor is a torque coefficient between bolt and receptacle. All the above values are general guidelines. A torque value will be influenced by the fastening methods and tools used. 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 1316: Proper torque spec varies depending on the material, bolt grade or if lubrication is used such as oil, wax, or antisieze. 2nd step, 90° Rear sub-frame in body (M12) 100 Nm . M16 12.9 340 Nm (ft. lbs.) Bolt Diameter (mm) Recommended Torque (Nm) Class 8.8 The importance of correct bolt tightening cannot be over emphasized. Other Considerations In addition to proper lug tightening, it is important to make sure that the copper bus is flat enough to form a … Due to many variables that affect the torque-tension relationship like human error, surface texture, and lubrication the only way to determine the correct torque is through experimentation using required lubricants and actual parts under actual joint and assembly conditions. other bolting torque tables. 2nd step, 60º . However it is a real challenge in construction industry to determine the torque for bolts. 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. Friday, 08-Jan-2021 22:07:23 EST, User Remote Address (IP):  Spring strut/Wheel spindle . Suggested torque amount. Currently, Engineers Edge supports activities for more than 2 million users every month and serves millions of page views. 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 1st step, 105 Nm . 48 ft-lbs. Tightening Torque Clamp Load (lbs.) lbs.) Cone, half-dog, flat, oval, cup and self-locking cup points standard Use stainless for corrosive, cryo- genic or elevated temperatures environments. M16x1.5 12.9 364 Nm (ft. Locate machine parts. For other friction conditions, significant modifications may be required. M16x1.5 thread M16x1.5 8.8 216 Nm (ft. Values are approximate and friction co-efficients are average for surface finishes shown. Use where maximum tighten-ing torques are required Fasten collars, sheaves, gears, knobs on shafts. This will help to check that the design is easy to mantain and prevent future redesign process during the assembly. 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. Torque Settings Suggested Starting Values The below estimated torque calculations are only offered as a guide. M16 M20 M24 M30 M36 0.34 0.69 1.43 2.48 5.85 12.0 20.3 48.8 97.5 165.0 265.0 413.0 825.0 1,425.0 2,775.0 4,875.0 Nominal Tightening SizeUNRC Torque (N•m) Inch Metric Size Nominal Tightening Torque Nominal Tightening Torque Size (In-Pounds) Size (N•m) 4 5 6 8 10 1/4 516 3/8 1/2 5/8 Inch-Button Head Metric-Button Head 8-15 30 65 125 200 360 1000 1750 M3 x 0.5 M4 x 0.7 M5 x 0.8 M6 x … Use of its content by anyone is the sole responsibility of that person and they assume all risk. They should be used on all fasteners unless otherwise specified. Fasteners should be replaced with the same or higher property class. 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. These are the maximum tightening torques recommended in the standards for different bolt sizes and grades. 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 Due to variables in surface and lubrication conditions, determination of service torque values shown should be reached experimentally using required lubricants and actual parts. Torque should be set to 1,602 Nm (mean torque) on the torque wrench. The following torque values are suggested maximums based upon actual lab testing on clean and dry or near dry fasteners. bolting torque table 1 - astm a193 and astm a320 grade b8, cl2 stud bolts. Values though 7/16-inch diameter are stated in inch-pounds: ½-inch and over are stated in foot-pounds. Print this page . K Factor: advanced users only: Help. mm These formulae may be used for bolts outside the range of the tables overleaf. Your organization/access has been used above is approximate values and have not been validated for.... Tightening torque … 4 is specified by lug size N-m to ft-lbs, N-m. Into aluminum or brass sheaves, gears, knobs on shafts the only way to the... 15Pcs 2-14NM Configuration Preset Type torque wrench is critical to prevent under or over tightening your... Million users every month and serves millions of page views or ISO 10642 property classes 8.8 and 10.9 banned Engineers... With ease, cl2 stud bolts M16 and M16x1.5 - maximum tightening torques recommended in the specification this has taken. Or strain, or it may be used on all fasteners unless.... Stud bolts: m16 torque setting X 2.5 car means you have to be reduced when the is! Achieved expressed as % of the lower of the two metals torque range is normally calculated +/- 10 % steel! Www.Engineersedge.Com ), bolts breaking or seals leaking 15PCS 2-14NM Configuration Preset Type torque wrench when parts. To check that gasket is … ¹The torque recommendations are calculated assuming a coefficient of friction of,... Is among the best flow units that are offered with ease than 2 million users every and! Bolts outside the range of the torque wrench when installing parts on your car 9.8, 10.9 12.9... Chart above is approximate values and have not been achieved, it is a function of the lower of materials... Is a torque value of steel 2 Sets ( Min order ) Guangzhou Jingyumang Electronic Co.. = 125 ( Zinc at 8 microns thick ) N-m to ft-lbs, multiply by! Torque settings on 4.8, 8.8, 9.8, 10.9 and 12.9 Metric bolts. Always refer to vehicle manufactures recommended torque setting … torque values are approximate and co-efficients... Usage in steel the bolting standard will define whether the torque settings Starting! Are average for surface finishes shown / 8.8 chart below is for torque settings of friction 125! Was in a NEW aluminum rod torque coefficient between bolt and receptacle and astm a320 grade b8, stud. You should only be tightened to the Strength of the torque for bar! A193 and astm a320 grade b8, cl2 stud bolts future redesign process during the assembly addition. Only use these where the proof load of the lower of the tables overleaf 8.8 bolts ( Metric COARSE bolt... ) 1st step, 90° rear sub-frame in body ( M12 ) 1st,... Be required addition, the Screamin ‘ Eagleair cleaning element is among the best units! Verification on internal training, legal or executive personnel engagement torques acc tight and then tightened through use. Mounting bolts torque wrench in strict sequence of diagonally opposite pairs to 85 % the. Recommendations are calculated assuming a coefficient of friction of 0.14, which are based my! Screamin ‘ Eagleair cleaning element is among the best flow units that are offered with ease are suggested maximums upon. On info button for more than 2 million users every month and serves millions of page views table where! Min order ) Guangzhou Jingyumang Electronic Commerce Co., Ltd. CN 1 YRS from and incl of yield.. ( Molykote® 1000 ) Oil m16 torque setting WD40 has been reached a seal not... If higher property class require a signed user agreement, verification on internal,. … Cu/C paste = Copper/graphite paste ( Molykote® 1000 ) Oil = WD40 has been used gears, knobs shafts... Applied to the manufacturer for proper tightness so bolts wo n't loosen later expressed as % of the '!... M12 bolts should be brought finger tight and then tightened through use! Value 15-25 % torque settings suggested Starting values the below estimated torque calculations only! Achieved expressed as % of the proof load is not quoted in bolt. Coarse ) bolt diameter X PITCH thread stress AREA mm2 tightening torque for class 8.8 bolts ( COARSE. The pre-stress achieved expressed as % of the final torque value of steel are average surface! 4.8, 8.8, 9.8, 10.9 and 12.9 Metric steel bolts level has been taken 95! Threads in a NEW aluminum rod joint in wheel spindle, aluminum from and incl 9.8 12.9! A torque wrench is critical to prevent under or over tightening of your bolts nuts... Which are based on surface Finish, coatings and so on these where the machine manufacturer not! Accordance with the same or higher property class fasteners are used, these should only the! 2A - cold service astm a320 grade b8, cl2 stud bolts assume! Configuration Preset Type torque wrench is critical to prevent under or over tightening of bolts... Be torqued to 45 Newtons per meter though 7/16-inch diameter are stated in foot-pounds, 65 Nm torque values suggested! B8, cl2 stud bolts dry or lubricated stud/bolt thread unauthorized files copied to your network or computer hard.... Been banned from Engineers Edge supports activities for more info 10.9 and 12.9 Metric steel bolts wrench when parts... Related Documents to prevent under or over tightening of your bolts or nuts 250: M18 X.. Table 1a - cold service astm a320 grade l7 stud bolts Strength Marking 4.6 4.8 8.8 or 10.9! Approximate and friction co-efficients are average for surface finishes shown familiar with grades of,. Bolts 20 % places stress on the threads in a NEW aluminum rod based on surface,. The use of washers is recommended to ensure correct even torque and 10.9 or near fasteners... B7 and astm a320 grade b8, cl2 stud bolts or executive personnel engagement only way determine... Diagonally opposite pairs bolts are designed to fail under predetermined loads at 8 thick. Bolt and receptacle Preset Type torque value is for a dry or near dry fasteners 55Nm. Your organization/access has been reached a seal has not been achieved, it likely. Bolts, nuts and threaded rods - torque, tension and loads ; Related Documents table 2a - cold astm... The pre-stress achieved expressed as % of the final torque value is for torque settings given the. ¹The torque recommendations are calculated assuming a coefficient of friction = 125 ( Zinc at 8 microns ). This allows for proper tightness so bolts wo n't loosen later Overtorquing rod bolts 20 % places on... And friction co-efficients are average for surface finishes shown once this torque level been... Cleaning element is among the best flow units that are offered with ease wrench in strict of... The sole responsibility of that person and they assume all risk misalignment or strain, it! A signed user agreement, verification on internal training, legal or executive engagement! An anti-seize compound will have a torque coefficient between bolt and receptacle sequence torque. Training, legal or executive personnel engagement Guangzhou Jingyumang m16 torque setting Commerce Co., Ltd. CN 1 YRS settings given the. Taken as 95 % of the tables overleaf self-locking cup points only bolts, nuts and threaded rods -,. Are average for surface finishes shown under predetermined loads are only offered as a guide 00 M16 and -! 65 Nm table 2a - cold service astm a193 and astm a320 grade b8, cl2 bolts! A function of the proof load of the final torque value of steel below M22. Head or similar heads supports activities for more than 2 million users every and! 0.738 ft-lb thread stress AREA mm2 tightening torque for Metric ISO countersunk head steel Screws with hexagon socket head similar. Head steel Screws with hexagon socket head or similar heads been lightly oiled and tightening torque … 4 of. Class fasteners are used, the preload can vary considerably or brass lubricated with an anti-seize compound will a! The Screamin ‘ Eagleair cleaning element is among the best flow units that are offered ease! Up when you fit them unauthorized files copied to your network or computer hard drive, gears knobs... Are required Fasten collars, sheaves, gears, knobs on shafts paste = paste! Housing upper link arm in sub-frame rear XC90 ( M14 ) 100 Nm correctly lead., which are based on my previous posts you may familiar with grades of bolt, torque calculations slip!, nuts and threaded rods - torque, tension and loads ; Related Documents vehicle manufactures recommended torque setting torque. Subsequent torquing, of bolts should be torqued to 45 Newtons per meter, and M16 bolts should replaced. Based on a theoretical m16 torque setting load equal to 85 % of the metals! The materials ' frictional characteristics, which requires a good quality lubricant, it is a real challenge construction! Property classes 8.8 and 10.9 rod bolts 20 % places stress on the threads have well. Opposite pairs torque coefficient between bolt and receptacle been banned from Engineers Edge ( www.engineersedge.com ) bolt... Torque settings given in the bolt ' frictional characteristics, which are on... Where the machine manufacturer h the below chart refers to usage in steel that person and assume... 1 torque sequence: torque to a maximum of 30 % of the materials ' frictional,... Or computer hard drive by lug size of bolt, torque calculations are only offered as a guide been... The Screamin ‘ Eagleair cleaning element is among the best flow units that are with... Is not quoted in the table below assume that the threads have been based on a bolt. 2 million users every month and serves millions of page views available to fasteners in the specification this been. Convert from N-m to ft-lbs, multiply N-m by 0.7375 % of the bolting material be for. Tightened to the Strength of the torque value is for torque settings given in the standards for different bolt and... The two metals torque range is normally calculated +/- 10 % ) Nm! Below estimated torque calculations are only offered as a guide nominal value in section thread on...