Standard Torque Specications and Fastener Markings 1n the sheence at specific torques. the following chart een be used as a guide to the maximum sale torque 01 a particular sizelgrede ol lestener. - There is no torque dmerence tor fine or course threads. - Torque velues are hosed on clean. dry mresds. Reduce the value by 10% it threads are oiled prior to assembly. - The torque required for aluminum components or fasteners is considerably less. U.S. Bolts II hu 1 er 1 I I a 1 u.- l h m 9 @ hue *. - . ur h- ". b- Tu. W Ml. w h m. h _ RJI... I. _ Ve20 5 0.7 6.8 8 1.1 10.8 10 1.4 13.5 20 6 0.8 5.1 10 1.4 136 5/u 15 11 1.5 14.9 17 29 23.0 19 2.6 25.6 24 13 1.9 17.6 19 26 25.7 % 16 16 2.5 24.4 31 4.3 420 34 4.7 46.0 24 20 2.75 27.1 35 4.8 47.5 lu 14 as 3.8 37.0 49 6.6 66.4 55 7.6 74.5 20 I) 4.2 40.7 55 7.6 74.5 V113 39 5.4 52.8 75 10.4 101.7 85 11.75 115.2 20 41 5.7 55.6 85 11.7 115.2 'Iur 12 51 7.0 69.2 110 15.2 149.1 120 16.6 162.7 16 55 7.6 74.5 120 16.6 162.7 51 11 83 11.5 112.5 150 20.7 2033 167 230 226.5 18 95 13.1 126.8 170 23.5 2315 16 10 105 14.5 1423 270 87.3 156.0 230 30.7 379.6 16 115 15.9 155.9 295 40.8 MD 7/I 9 160 22.1 218.9 35 54.6 535.5 440 30.9 598.5 14 175 24.2 237.2 435 .1 589.7 1 B 23! 325 316.6 590 81.6 799.9 680 91.3 894.8 14 50 34.6 33.9 660 91.3 849.8 Metrlc Bolts In. nun a 4.0. 4.0 0.. H . u u 5 Tel kh- TI.- lie-l h I 7-1-1 m. _ h m h h 6: 1.0 2-3 2-4 34 36 4-3 5-8 8x1. 6-8 .8-1 812 9-14 1.21.9 13-19 10:12!) 12-17 1.523 16-23 20-29 2.7-4.0 27-3 12x 1.25 21-32 2.9-4.4 29-43 35-53 4.8-7.3 47-72 14: 1.5 3-52 4.8-7.1 48-70 5785 7.811] 77110 1611.5 5177 70-106 67-11!) 90120 12.4-16.5 1374!) 18x15 74-110 10.2-15.1 1w-150 130170 17.9-23.4 IN-ZM 2011.5 110140 15.1-19.3 150190 1W240 26.2-46.9 183320 2211.5 150-1) 220-82 zoo-zen 50-320 34.5-44.1 34043) 24 x 1.5 1m240 26.2-46.9 260320 310410 42.7-56.5 420550 Standard and metrlc hell torque speclcations hesed on boll strengthsWARNING: use only as a guide