Tightening Torque Table of Standard Parts |
BOLT (Nominal diameter) | NUT (Nominal diameter) | ||
BOLT/NUT Thin screw | Torque Nm (kg.m, Ib-ft) | |||
Nominal diameter. (mm) | Pitch [mm (in.) ] | 4T | 8T | 10T |
M5 | 0.8 (0.031) | 2.0 ~ 3.0 (0.2 ~ 0.3, 1.4 ~ 2.2) | 4.9 ~ 6.9 (0.5 ~ 0.7, 3.6 ~ 5.1) | 7.8 ~ 10.8 (0.8 ~ 1.1, 5.8 ~ 8.0) |
M6 | 1 (0.039) | 2.9 ~ 4.9 (0.3 ~ 0.5, 2.2 ~ 3.6) | 8.8 ~ 12.7 (0.9 ~ 1.3, 6.5 ~ 9.4) | 13.7 ~ 18.6 (1.4 ~ 1.9, 10.1 ~ 13.7) |
M8 | 1.25 (0.049) | 8.8 ~ 11.8 (0.9 ~ 1.2, 6.5 ~ 8.7) | 22.6 ~ 30.4 (2.3 ~ 3.1, 16.6 ~ 22.4) | 33.3 ~ 44.1 (3.4 ~ 4.5, 24.6 ~ 32.5) |
M10 | 1.5 (0.059) | 16.7 ~ 22.6 (1.7 ~ 2.3, 12.3 ~ 16.6) | 45.1 ~ 60.8 (4.6 ~ 6.2, 33.3 ~ 44.8) | 65.7 ~ 88.3 (6.7 ~ 9.0, 48.5 ~ 65.1) |
M12 | 1.75 (0.068) | 29.4 ~ 39.2 (3.0 ~ 4.0, 21.7 ~ 28.9) | 78.5 ~ 105.9 (8.0 ~ 10.8, 57.9 ~ 78.1) | 114.7 ~ 154.9 (11.7 ~ 15.8, 84.6 ~ 114.3) |
M14 | 2 (0.078) | 47.1 ~ 63.7 (4.8 ~ 6.5, 34.7 ~ 47.0) | 125.5 ~ 169.7 (12.8 ~ 17.3, 92.6 ~ 125.1) | 183.4 ~ 249.1 (18.7 ~ 25.4, 135.3 ~ 183.7) |
M16 | 2 (0.078) | 73.5 ~ 100.0 (7.5 ~ 10.2, 54.2 ~ 73.8) | 197.1 ~ 266.7 (20.1 ~ 27.2, 145.4 ~ 196.7) | 288.3 ~ 390.3 (29.4 ~ 39.8, 212.7 ~ 287.9) |
M20 | 2.5 (0.098) | 144.2 ~ 195.2 (14.7 ~ 19.9, 106.3 ~ 143.9) | 396.2 ~ 535.4 (40.4 ~ 54.6, 292.2 ~ 394.9) | 565.8 ~ 764.9 (57.7 ~ 78.0, 417.3 ~ 564.2) |
M24 | 3 (0.118) | 249.1 ~ 337.3 (25.4 ~ 34.4, 183.7 ~ 248.8) | 687.4 ~ 929.7 (70.1 ~ 94.8, 507.0 ~ 685.7) | 975.8 ~ 1320.0 (99.5 ~ 134.6, 719.7 ~ 973.6) |
M30 | 3.5 (0.137) | 499.2 ~ 674.7 (50.9 ~ 68.8, 368.2 ~ 497.6) | 1372.9 ~ 1858.4 (140.0 ~ 189.5, 1012.6 ~ 1370.7) | 1956.4 ~ 2647.8 (199.5 ~ 270.0, 1443.0 ~ 1952.9) |
BOLT/NUT Thin screw | Torque Nm (kg.m, Ib-ft) | |||
Nominal diameter. (mm) | Pitch [mm (in.) ] | 4T | 8T | 10T |
M5 | 0.5 (0.019) | 2.0 ~ 3.0 (0.2 ~ 0.3, 1.4 ~ 2.2) | 5.9 ~ 8.8 (0.6 ~ 0.9, 4.3 ~ 6.5) | 8.8 ~ 12.7 (0.9 ~ 1.3, 6.5 ~ 9.4) |
M6 | 0.75 (0.029) | 3.9 ~ 4.9 (0.4 ~ 0.5, 2.9 ~ 3.6) | 9.8 ~ 13.7 (1.0 ~ 1.4, 7.2 ~ 10.1) | 14.7 ~ 20.6 (1.5 ~ 2.1, 10.8 ~ 15.2) |
M8 | 1 (0.039) | 8.8 ~ 11.8 (0.9 ~ 1.2, 6.5 ~ 8.7) | 24.5 ~ 32.4 (2.5 ~ 3.3, 18.1 ~ 23.9) | 35.3 ~ 48.1 (3.6 ~ 4.9, 26.0 ~ 35.4) |
M10 | 1.25 (0.049) | 17.7 ~ 23.5 (1.8 ~ 2.4, 13.0 ~ 17.4) | 47.1 ~ 63.7 (4.8 ~ 6.5, 34.7 ~ 47.0) | 69.6 ~ 94.1 (7.1 ~ 9.6, 51.4 ~ 69.4) |
M12 | 1.25 (0.049) | 32.4 ~ 44.1 (3.3 ~ 4.5, 23.9 ~ 32.5) | 86.3 ~ 117.7 (8.8 ~ 12.0, 63.7 ~ 86.8) | 127.5 ~ 172.6 (13.0 ~ 17.6, 94.0 ~ 127.3) |
M14 | 1.5 (0.059) | 51.0 ~ 69.6 (5.2 ~ 7.1, 37.6 ~ 51.4) | 136.3 ~ 185.3 (13.9 ~ 18.9, 100.5 ~ 136.7) | 201.0 ~ 271.6 (20.5 ~ 27.7, 148.3 ~ 200.4) |
M16 | 1.5 (0.059) | 79.4 ~ 107.9 (8.1 ~ 11.0, 58.6 ~ 79.6) | 211.8 ~ 286.4 (21.6 ~ 29.2, 156.2 ~ 211.2) | 311.8 ~ 421.7 (31.8 ~ 43.0, 230.0 ~ 311.0) |
M20 | 1.5 (0.059) | 163.8 ~ 221.6 (16.7 ~ 22.6, 120.8 ~ 163.5) | 448.2 ~ 607.0 (45.7 ~ 61.9, 330.5 ~ 447.7) | 639.4 ~ 864.9 (65.2 ~ 88.2, 471.6 ~ 638.0) |
M24 | 2 (0.078) | 276.5 ~ 373.6 (28.2 ~ 38.1, 204.0 ~ 275.6) | 759.0 ~ 1026.8 (77.4 ~ 104.7, 559.8 ~ 757.3) | 1080.7 ~ 1462.2 (110.2 ~ 149.1, 797.1 ~ 1078.4) |
M30 | 2 (0.078) | 562.9 ~ 762.0 (57.4 ~ 77.7, 415.2 ~ 562.0) | 1553.4 ~ 2102.5 (158.4 ~ 214.4, 1145.7 ~ 1550.8) | 2210.4 ~ 2991.0 (225.4 ~ 305.0, 1630.3 ~ 2206.1) |
Flange BOLT (Nominal diameter) | Flange NUT (Nominal diameter) | ||
Flange BOLT/NUT Normal screw | Torque Nm (kg.m, Ib-ft) | |||
Nominal diameter. (mm) | Pitch [mm (in.) ] | 4T | 8T | 10T |
M5 | 0.8 (0.031) | 2.0 ~ 2.9 (0.2 ~ 0.3, 1.4 ~ 2.2) | 5.9 ~ 7.8 (0.6 ~ 0.8, 4.3 ~ 5.8) | 8.8 ~ 11.8 (0.9 ~ 1.2, 6.5 ~ 8.7) |
M6 | 1 (0.039) | 3.9 ~ 4.9 (0.4 ~ 0.5, 2.9 ~ 3.6) | 9.8 ~ 13.7 (1.0 ~ 1.4, 7.2 ~ 10.1) | 14.7 ~ 19.6 (1.5 ~ 2.0, 10.8 ~ 14.5) |
M8 | 1.25 (0.049) | 8.8 ~ 11.8 (0.9 ~ 1.2, 6.5 ~ 8.7) | 24.5 ~ 32.4 (2.5 ~ 3.3, 18.1 ~ 23.9) | 35.3 ~ 48.1 (3.6 ~ 4.9, 26.0 ~ 35.4) |
M10 | 1.5 (0.059) | 17.7 ~ 24.5 (1.8 ~ 2.5, 13.0 ~ 18.1) | 48.1 ~ 65.7 (4.9 ~ 6.7, 35.4 ~ 48.5) | 70.6 ~ 96.1 (7.2 ~ 9.8, 52.1 ~ 70.9) |
M12 | 1.75 (0.068) | 31.4 ~ 43.1 (3.2 ~ 4.4, 23.1 ~ 31.8) | 84.3 ~ 113.8 (8.6 ~ 11.6, 62.2 ~ 83.9) | 123.6 ~ 167.7 (12.6 ~ 17.1, 91.1 ~ 123.7) |
M14 | 2 (0.078) | 51.0 ~ 68.6 (5.2 ~ 7.0, 37.6 ~ 50.6) | 135.3 ~ 182.4 (13.8 ~ 18.6, 99.8 ~ 134.5) | 198.1 ~ 268.7 (20.2 ~ 27.4, 146.1 ~ 198.2) |
M16 | 2 (0.078) | 79.4 ~ 107.9 (8.1 ~ 11.0, 58.6 ~ 79.6) | 212.8 ~ 288.3 (21.7 ~ 29.4, 157.0 ~ 212.7) | 311.8 ~ 421.7 (31.8 ~ 43.0, 230.0 ~ 311.0) |
Flange BOLT/NUT Thin screw | Torque Nm (kg.m, Ib-ft) | |||
Nominal diameter. (mm) | Pitch [mm (in.) ] | 4T | 8T | 10T |
M5 | 0.5 (0.019) | 2.9 ~ 2.9 (0.3 ~ 0.3, 2.2 ~ 2.2) | 6.9 ~ 8.8 (0.7 ~ 0.9, 5.1 ~ 6.5) | 9.8 ~ 13.7 (1.0 ~ 1.4, 7.2 ~ 10.1) |
M6 | 0.75 (0.029) | 3.9 ~ 5.9 (0.4 ~ 0.6, 2.9 ~ 4.3) | 10.8 ~ 14.7 (1.1 ~ 1.5, 8.0 ~ 10.8) | 16.7 ~ 21.6 (1.7 ~ 2.2, 12.3 ~ 15.9) |
M8 | 1 (0.039) | 9.8 ~ 12.7 (1.0 ~ 1.3, 7.2 ~ 9.4) | 26.5 ~ 35.3 (2.7 ~ 3.6, 19.5 ~ 26.0) | 38.2 ~ 52.0 (3.9 ~ 5.3, 28.2 ~ 38.3) |
M10 | 1.25 (0.049) | 19.6 ~ 25.5 (2.0 ~ 2.6, 14.5 ~ 18.8) | 51.0 ~ 68.6 (5.2 ~ 7.0, 37.6 ~ 50.6) | 75.5 ~ 102.0 (7.7 ~ 10.4, 55.7 ~ 75.2) |
M12 | 1.25 (0.049) | 35.3 ~ 48.1 (3.6 ~ 4.9, 26.0 ~ 35.4) | 94.1 ~ 126.5 (9.6 ~ 12.9, 69.4 ~ 93.3) | 138.3 ~ 186.3 (14.1 ~ 19.0, 102.0 ~ 137.4) |
M14 | 1.5 (0.059) | 55.9 ~ 75.5 (5.7 ~ 7.7, 41.2 ~ 55.7) | 148.1 ~ 200.1 (15.1 ~ 20.4, 109.2 ~ 147.6) | 216.7 ~ 293.2 (22.1 ~ 29.9, 159.8 ~ 216.3) |
M16 | 1.5 (0.059) | 86.3 ~ 116.7 (8.8 ~ 11.9, 63.7 ~ 86.1) | 229.5 ~ 309.9 (23.4 ~ 31.6, 169.3 ~ 228.6) | 336.4 ~ 455.0 (34.3 ~ 46.4, 248.1 ~ 335.6) |
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