DIN 7991 or ISO 10642 property classes 8.8 and 10.9. Note 3 - Overtorque 20%, loosen below torque value and retorque to final torque value. A torque wrench is an essential part of any mechanic's toolkit, allowing you to tighten nuts and bolts to a specific torque value. 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 Always refer to vehicle manufactures recommended Torque setting … 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. For … 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. 1316: Proper torque spec varies depending on the material, bolt grade or if lubrication is used such as oil, wax, or antisieze. Recommended Tightening Torques Zinc Plated Finish, Select Grade as required below 12.9 / 10.9 / 8.8. Spring strut/Wheel spindle . Torque Settings. USED - Component that was in a running engine. diameter are based on 30 ksi yield strength. This may be due to joint misalignment or strain, or it may be that the PTFE flare face has suffered mechanical damage. M16 12.9 340 Nm (ft. Cu/C paste = Copper/graphite paste (Molykote® 1000) Oil = WD40 has been used. The torque figures quoted have been based on a theoretical bolt load equal to 85% of the proof load of the bolting material. Bolt Diameter (mm) Recommended Torque (Nm) Class 8.8 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 FOR CLASS 8.8 BOLTS (METRIC COARSE) BOLT DIAMETER X PITCH THREAD STRESS AREA mm2 TIGHTENING TORQUE … Currently, Engineers Edge supports activities for more than 2 million users every month and serves millions of page views. For other friction conditions, significant modifications may be required. ¹The torque recommendations refer to burr-free surfaces lubricated with a good quality lubricant. Values though 7/16-inch diameter are stated in inch-pounds: ½-inch and over are stated in foot-pounds. Related Topics . All the above values are general guidelines. Cone, half-dog, flat, oval, cup and self-locking cup points standard Use stainless for corrosive, cryo- lbs.) Cadmium or Zinc) applied to the stud threads. K Factor: advanced users only: Help. 2nd step, 90° Rear sub-frame in body (M12) 100 Nm . Used rods: Torque to 285 in. Relative Strength Marking 4.6 4.8 8.8 or 9.8 10.9 12.9 Bolt Markings Dia. Typical values for countersunk heads screws with hexagon/hexalobular socket or associated nut, friction coefficient µ = 0.14, Fine thread and course threads apply Values are approximate and friction co-efficients are average for surface finishes shown. When tightening according to guidelines and with no deviation, this is the pre-stress achieved expressed as % of yield point. 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. Where the proof load is not quoted in the specification this has been taken as 95% of the yield stress. For brass, use 70% of the torque value of steel. Per. Metric Recommended Bolt Torque. Thread Type Torque Value M10 X 1.25 Bolt 55Nm. Unauthorized files copied to your network or computer hard drive. 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. 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. Bushing housing upper link arm in sub-frame rear XC90 (M12) 1st step, 65 Nm . The torque figures quoted are approximate figures and are available to fasteners in the self-colour condition only. (none), User Agent: For other friction conditions, significant modifications may be required. 4.1 (69) … The importance of correct bolt tightening cannot be over emphasized. M14 X 1.75 Bolt 110Nm www.brightonbest.co.uk • the web site where it happens PAGE3 … 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. If once this torque level has been reached a seal has not been achieved, it is likely that there is another cause. 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. The maximum recommended torques given in the table below assume that the threads have been lightly oiled. 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. The importance of correct bolt tightening cannot be over emphasized. Use of its content by anyone is the sole responsibility of that person and they assume all risk. lbs.) 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. Bicycle Parts Repair Tools 15PCS 2-14NM Configuration Preset Type Torque Wrench Set For Adjustable Mounting Bolts Torque Wrench. Metric ISO Countersunk head steel screws Torque Table. However it is a real challenge in construction industry to determine the torque for bolts. The below estimated torque calculations are … Typical values for countersunk heads screws with hexagon/hexalobular socket or associated nut, friction coefficient µ = 0.14, Fine thread and course threads apply . Determining the correct torque can however present problems. 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. Ball joint in wheel spindle, aluminum from and incl. Zinc Plated co-efficient of friction = 125 (zinc at 8 microns thick). For mixed metals, use the torque of the lower of the two metals Torque range is normally calculated +/- 10%. 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. 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. Metric Recommended Bolt Torque. Torque pattern. Date: 8.0 in-lbs. 705: M30. US $21.63-$24.51 / Set. Using correct torque levels is very important. Setting the correct torque on your torque wrench is critical to prevent under or over tightening of your bolts or nuts. 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). one time only. lbs.) 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 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. 146: 210: 250: M18 x 2.5. 1) Enter thread diameter nominal value in section Thread Size.Click on info button for more info. 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. Torque values listed are for general use only. 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 … Suggested torque amount. Locate machine parts. Lubrication added to a dry bolt will typically reduce the torque value 15-25%. The following torque values are suggested maximums based upon actual lab testing on clean and dry or near dry fasteners. 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 importance of correct bolt tightening cannot be over emphasized. Values though 7/16-inch diameter are stated in inch-pounds: ½-inch and over are stated in foot-pounds. Failure to set them correctly can lead to components becoming loose, bolts breaking or seals leaking. 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 … Torque bolts and nuts in a “CRISS-CROSS” sequence using a minimum of three torquing passes and the maximum bolt stress as defined. The chart below is for torque settings on 4.8, 8.8, 9.8, 10.9 and 12.9 metric steel bolts. 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 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. lbs.) 54.36.68.2, User Remote Address Referer:  μ th = Thread friction coefficient μ h = Under head friction coefficient 1 N = 0.225 lb 1 Nm = 0.738 ft-lb. Technically it is based on the applications. Tightening Torque Clamp Load (lbs.) Determining the correct torque can however present problems. For stainless steel, use the high value of the torque range of steel. 5. For mixed metals, use the torque of the lower of the two metals Torque range is normally calculated +/- 10%. Rear cross member. 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-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.) lbs.) lbs.) 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. Fasteners - Bolts, nuts and threaded rods - torque, tension and loads; Related Documents . A torque value will be influenced by the fastening methods and tools used. Print this page . bolting torque table 2 - astm 193 grade b7 and astm 193 grade b16 stud bolts. bolting torque table 1 - astm a193 and astm a320 grade b8, cl2 stud bolts. bolting torque table 2 - astm 193 grade b7 and astm 193 grade b16 stud bolts. The only way to determine an exact torque value is by actual application. 48 ft-lbs. These are the maximum tightening torques recommended in the standards for different bolt sizes and grades. ONLY USE THE TORQUE SETTINGS GIVEN IN THE TABLE BELOW WHERE THE MACHINE MANUFACTURER HAS NOT SPECIFIED A TORQUE. M16x1.5 thread M16x1.5 8.8 216 Nm (ft. The below estimated torque calculations are only offered as a guide. other bolting torque tables. 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. Other Considerations In addition to proper lug tightening, it is important to make sure that the copper bus is flat enough to form a … Shear bolts are designed to fail under predetermined loads. The below chart refers to usage in steel. 25 Nm . w919 not XC90 (M10) 40 Nm . Check tightness of fasteners periodically. mm These formulae may be used for bolts outside the range of the tables overleaf. Always replace shear bolts with identical property class. 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. They should be used on all fasteners unless otherwise specified. 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 These torque values ? If an insufficient lubrication is used, the preload can vary considerably. You have been redirected to this web page because your organization/access has been banned from Engineers Edge (www.engineersedge.com). 2nd step, 60º . 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. Fasteners should be replaced with the same or higher property class. PASS 1 Torque Sequence: Torque to a maximum of 30% of the final torque value in accordance with the torque sequence. Torque Settings Suggested Starting Values The below estimated torque calculations are only offered as a guide. bolting torque table 1a - cold service astm a193 and astm a320 grade b8, cl2 stud bolts. 00 00 M16 and M16x1.5 - maximum tightening torques acc. This allows for proper tightness so bolts won't loosen later. 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 Bolts should be brought finger tight and then tightened through the use of a torque wrench in strict sequence of diagonally opposite pairs. M16 10.9 280 Nm (ft. M12 X 1.5 Bolt 90Nm. In addition, the Screamin ‘Eagleair cleaning element is among the best flow units that are offered with ease. 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 K Factor is a torque coefficient between bolt and receptacle. You should only use these where the machine manufacturer h 316 Stainless Steel Torque in-lbs. lbs.) Bolt Diameter (mm) Recommended Torque (Nm) Class 8.8 Torque settings. This, and all subsequent torquing, of bolts should be undertaken at ambient temperature. Working on your car means you have to torque parts up when you fit them. G F = Ratio of yield point. 2 Sets (Min Order) Guangzhou Jingyumang Electronic Commerce Co., Ltd. CN 1 YRS. 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 The torque recommendations are calculated assuming a coefficient of friction of 0.14, which requires a good quality lubricant. To convert from N-m to ft-lbs, multiply N-m by 0.7375. It is a function of the materials' frictional characteristics, which are based on surface finish, coatings and so on. 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. Based on my previous posts you may familiar with grades of bolt, torque of bolt, torque calculations and slip factors. M16x1.5 10.9 303 Nm (ft. Below is a list of the recommended tightening torques for 12.9 / 10.9 / 8.8 zinc plated finish … 1st step, 105 Nm . The torque values given above are a guide; they may be exceeded by a value of 50% to effect a seal. lbs. Dimensions. Always go to the manufacturer for proper torque specs. The chart above is approximate values and have not been validated for accuracy. 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 bolting standard will define whether the torque value is for a dry or lubricated stud/bolt thread. All torque values are for general guidance. Use of its content by anyone is the sole responsibility of that person and they assume all risk. 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. Bolts will be tensioned when torquing up. 292: 489: Grade 10.9 (below) M22. Preloads and tightening torque for Metric ISO countersunk head steel screws with hexagon socket head or similar heads. 559: M24. 210: 341: M20 x 2.5. Set Screws Socket Set Screws Alloy Steel Socket Set Screws Stainless Steel Half-dog or self-locking cup points only. Suggested Starting Values. Preloads and tightening torque for Metric ISO countersunk head steel screws with hexagon socket head or similar heads. Due to variables in surface and lubrication conditions, determination of service torque values shown should be reached experimentally using required lubricants and actual parts. 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. 00 00 M16 and M16x1.5 - maximum tightening torques acc. Determining the correct torque can however present problems. Torque should be set to 1,602 Nm (mean torque) on the torque wrench. The tightening torque values given in the above table serve only as a guide. bolting torque table 1 - astm a193 and astm a320 grade b8, cl2 stud bolts. It can therefore be seen that only something in the order of 10% effort is employed inducing axial load in the bolt. Torque values may also have to be reduced when the fastener is threaded into aluminum or brass. Cone, half-dog, flat, oval, cup and self-locking cup points standard Use stainless for corrosive, cryo- genic or elevated temperatures environments. 4. See Screwed joint, torque/angle tightening . If higher property class fasteners are used, these should only be tightened to the strength of the original. 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. All correspondence must be done by email. Torque for bus bar lugs is specified by lug size. Socket Set Screws Alloy Steel Socket Set Screws Stainless Steel Half-dog or self-locking cup points only. Ball joint in link arm XC90 (M14) 100 Nm . Considerations for Torque Settings. bolting torque table 1a - cold service astm a193 and astm a320 grade b8, cl2 stud bolts. Torque for bus bar lugs is specified by lug size. 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. The specific torque value should be determined based on the aluminum or brass material strength, fastener size, length of thread engagement, etc. NOTE: Overtorquing rod bolts 20% places stress on the threads in a NEW aluminum rod. torque values for bolts greater than 1½ in. 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. 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 … Friday, 08-Jan-2021 22:07:23 EST, User Remote Address (IP):  other bolting torque tables. M16x1.5 12.9 364 Nm (ft. Resolution may require a signed user agreement, verification on internal training, legal or executive personnel engagement. 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. The use of washers is recommended to ensure correct even torque. U-Bolts that have been well lubricated with an anti-seize compound will have a torque range between plated and unplated values. Tightening Torque min max min max min max min max Coarse Thread Series 1/4 20 2864 … For brass, use 70% of the torque value of steel. Torque Settings. ?should be used on all fasteners unless otherwise. bolting torque table 2a - cold service astm a320 grade l7 stud bolts. To convert from N-m to ft-lbs, multiply N-m by 0.7375. NEW - Component directly from stock. 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 Torque Settings Suggested Starting Values The below estimated torque calculations are only offered as a guide. Bolt Size . 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. Too much tension means … Check that gasket is … ... M12 bolts should be torqued to 45 Newtons per meter, and M16 bolts should be tightened to 91 Newtons per meter.