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Printable bolt torque chart
Tightening torque for metric property classes and SAE grades, with the multiplier for oiled and anti-seize threads. One sheet, fits A4 and US Letter.
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Metric — N·m Thread 8.8 10.9 12.9 A2-70 M3×0.5 1.3 1.9 2.2 1.0 M3.5×0.6 2.1 3.0 3.5 1.6 M4×0.7 3.1 4.4 5.1 2.4 M5×0.8 6.2 8.8 10 4.8 M6×1 11 15 18 8.1 M7×1 18 25 29 14 M8×1.25 25 36 43 20 M10×1.5 50 72 84 39 M12×1.75 88 126 147 68 M14×2 141 201 235 109 M16×2 218 312 365 169 M18×2.5 301 431 504 234 M20×2.5 426 610 712 330 M22×2.5 581 831 971 451 M24×3 736 1053 1231 571 M27×3 1079 1544 1805 837 M30×3.5 1463 2094 2447 1135
Unified — lb·ft Thread Gr 2 Gr 5 Gr 8 1/4-20 UNC 5.5 8.5 12 1/4-28 UNF 6.3 9.7 14 5/16-18 UNC 11 17 25 5/16-24 UNF 12 19 27 3/8-16 UNC 20 31 44 3/8-24 UNF 23 35 49 7/16-14 UNC 32 49 70 7/16-20 UNF 36 55 78 1/2-13 UNC 49 75 106 1/2-20 UNF 55 85 120 9/16-12 UNC 70 109 154 9/16-18 UNF 78 121 171 5/8-11 UNC 97 150 212 5/8-18 UNF 110 170 240 3/4-10 UNC 172 267 376 3/4-16 UNF 192 297 420 7/8-9 UNC 278 429 606 7/8-14 UNF 306 474 669 1-8 UNC 416 644 909 1-12 UNF 456 704 995
Lubricated threads Condition Nut factor K Multiply by Dry, as received 0.20 × 1.00 Zinc plated 0.18 × 0.90 Lightly oiled 0.15 × 0.75 Moly / anti-seize 0.12 × 0.60
Related: Bolt Torque Calculator
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