強度区分5.8 ボルト締付トルク表
強度区分5.8のボルト(M1.6〜M64)の締付トルクと締付軸力です。たとえばM8 5.8のボルトは、乾燥状態で約16.6 N·m (12.2 ft·lb)が必要です。
冷間圧造の炭素鋼。4.8より一段上ですが、用途は軽負荷向けです。
- 規格
- メートル(ISO 898-1)
- 使用した降伏点
- 400 MPa (58 ksi)
- 引張強さ
- 500 MPa (73 ksi)
- 対象サイズ
- M1.6 – M64
| サイズ | ねじピッチ | 締付軸力軸力 | 乾燥μ 0.15 | 油潤滑μ 0.11 | PTFE・モリブデンペーストμ 0.06 |
|---|---|---|---|---|---|
| M1.6 | M1.6×0.350.35 mm | 0.36 kN80 lbf | 0.13 N·m0.09 ft·lb | 0.10 N·m0.07 ft·lb | 0.07 N·m0.05 ft·lb |
| M2 | M2×0.40.4 mm | 0.58 kN131 lbf | 0.26 N·m0.19 ft·lb | 0.20 N·m0.14 ft·lb | 0.13 N·m0.10 ft·lb |
| M2.5 | M2.5×0.450.45 mm | 0.95 kN213 lbf | 0.52 N·m0.39 ft·lb | 0.39 N·m0.29 ft·lb | 0.26 N·m0.19 ft·lb |
| M3 | M3×0.50.5 mm | 1.41 kN317 lbf | 0.89 N·m0.66 ft·lb | 0.67 N·m0.50 ft·lb | 0.45 N·m0.33 ft·lb |
| M3.5 | M3.5×0.60.6 mm | 1.90 kN426 lbf | 1.37 N·m1.01 ft·lb | 1.04 N·m0.76 ft·lb | 0.70 N·m0.51 ft·lb |
| M4 | M4×0.70.7 mm | 2.46 kN553 lbf | 2.06 N·m1.52 ft·lb | 1.55 N·m1.14 ft·lb | 1.04 N·m0.77 ft·lb |
| M5 | M5×0.80.8 mm | 3.97 kN893 lbf | 3.99 N·m2.94 ft·lb | 3.00 N·m2.21 ft·lb | 2.01 N·m1.48 ft·lb |
| M6 | M6×11 mm | 5.63 kN1267 lbf | 6.90 N·m5.09 ft·lb | 5.20 N·m3.83 ft·lb | 3.49 N·m2.58 ft·lb |
| M7 | M7×11 mm | 8.08 kN1817 lbf | 11.2 N·m8.25 ft·lb | 8.37 N·m6.18 ft·lb | 5.56 N·m4.10 ft·lb |
| M8 | M8×1.251.25 mm | 10.3 kN2304 lbf | 16.6 N·m12.2 ft·lb | 12.5 N·m9.20 ft·lb | 8.34 N·m6.15 ft·lb |
| M10 | M10×1.51.5 mm | 16.2 kN3650 lbf | 32.5 N·m24.0 ft·lb | 24.4 N·m18.0 ft·lb | 16.2 N·m12.0 ft·lb |
| M12 | M12×1.751.75 mm | 23.6 kN5304 lbf | 55.7 N·m41.1 ft·lb | 41.8 N·m30.8 ft·lb | 27.8 N·m20.5 ft·lb |
| M14 | M14×22 mm | 32.3 kN7266 lbf | 88.6 N·m65.4 ft·lb | 66.4 N·m49.0 ft·lb | 44.1 N·m32.6 ft·lb |
| M16 | M16×22 mm | 43.9 kN9862 lbf | 135.8 N·m100.2 ft·lb | 101.2 N·m74.6 ft·lb | 66.6 N·m49.1 ft·lb |
| M18 | M18×2.52.5 mm | 53.9 kN12115 lbf | 189.7 N·m139.9 ft·lb | 141.9 N·m104.7 ft·lb | 94.2 N·m69.5 ft·lb |
| M20 | M20×2.52.5 mm | 68.5 kN15409 lbf | 265.5 N·m195.9 ft·lb | 197.9 N·m146.0 ft·lb | 130.2 N·m96.1 ft·lb |
| M22 | M22×2.52.5 mm | 85.0 kN19098 lbf | 362.3 N·m267.2 ft·lb | 269.0 N·m198.4 ft·lb | 175.8 N·m129.6 ft·lb |
| M24 | M24×33 mm | 98.7 kN22189 lbf | 457.4 N·m337.4 ft·lb | 340.9 N·m251.5 ft·lb | 224.4 N·m165.5 ft·lb |
| M27 | M27×33 mm | 128.6 kN28918 lbf | 671.5 N·m495.3 ft·lb | 498.3 N·m367.5 ft·lb | 325.1 N·m239.7 ft·lb |
| M30 | M30×3.53.5 mm | 157.0 kN35287 lbf | 913.8 N·m674.0 ft·lb | 679.2 N·m500.9 ft·lb | 444.6 N·m327.9 ft·lb |
| M33 | M33×3.53.5 mm | 194.2 kN43657 lbf | 1230.1 N·m907.3 ft·lb | 911.5 N·m672.3 ft·lb | 593.0 N·m437.4 ft·lb |
| M36 | M36×44 mm | 228.7 kN51410 lbf | 1586.1 N·m1169.9 ft·lb | 1177.1 N·m868.2 ft·lb | 768.1 N·m566.5 ft·lb |
| M39 | M39×44 mm | 273.2 kN61420 lbf | 2045.0 N·m1508.3 ft·lb | 1513.7 N·m1116.5 ft·lb | 982.4 N·m724.6 ft·lb |
| M42 | M42×4.54.5 mm | 313.9 kN70557 lbf | 2538.1 N·m1872.0 ft·lb | 1881.2 N·m1387.5 ft·lb | 1224.4 N·m903.1 ft·lb |
| M45 | M45×4.54.5 mm | 365.7 kN82208 lbf | 3158.0 N·m2329.2 ft·lb | 2335.6 N·m1722.7 ft·lb | 1513.3 N·m1116.1 ft·lb |
| M48 | M48×55 mm | 412.5 kN92729 lbf | 3825.5 N·m2821.5 ft·lb | 2832.4 N·m2089.1 ft·lb | 1839.4 N·m1356.7 ft·lb |
| M52 | M52×55 mm | 492.2 kN110649 lbf | 4895.0 N·m3610.4 ft·lb | 3616.3 N·m2667.2 ft·lb | 2337.5 N·m1724.0 ft·lb |
| M56 | M56×5.55.5 mm | 568.4 kN127782 lbf | 6105.9 N·m4503.5 ft·lb | 4513.4 N·m3328.9 ft·lb | 2920.9 N·m2154.3 ft·lb |
| M60 | M60×5.55.5 mm | 661.4 kN148681 lbf | 7548.4 N·m5567.4 ft·lb | 5569.3 N·m4107.7 ft·lb | 3590.2 N·m2648.0 ft·lb |
| M64 | M64×66 mm | 749.3 kN168443 lbf | 9093.8 N·m6707.2 ft·lb | 6714.6 N·m4952.5 ft·lb | 4335.5 N·m3197.7 ft·lb |
| サイズ | ねじピッチ | 締付軸力軸力 | 乾燥μ 0.15 | 油潤滑μ 0.11 | PTFE・モリブデンペーストμ 0.06 |
|---|---|---|---|---|---|
| M1.6 | M1.6×0.20.2 mm | 0.44 kN99 lbf | 0.15 N·m0.11 ft·lb | 0.11 N·m0.08 ft·lb | 0.07 N·m0.05 ft·lb |
| M2 | M2×0.250.25 mm | 0.69 kN154 lbf | 0.30 N·m0.22 ft·lb | 0.22 N·m0.16 ft·lb | 0.14 N·m0.11 ft·lb |
| M2.5 | M2.5×0.350.35 mm | 1.04 kN233 lbf | 0.56 N·m0.41 ft·lb | 0.42 N·m0.31 ft·lb | 0.27 N·m0.20 ft·lb |
| M3 | M3×0.350.35 mm | 1.57 kN353 lbf | 0.97 N·m0.72 ft·lb | 0.72 N·m0.53 ft·lb | 0.47 N·m0.35 ft·lb |
| M3.5 | M3.5×0.350.35 mm | 2.21 kN497 lbf | 1.54 N·m1.14 ft·lb | 1.14 N·m0.84 ft·lb | 0.74 N·m0.54 ft·lb |
| M4 | M4×0.50.5 mm | 2.74 kN616 lbf | 2.24 N·m1.65 ft·lb | 1.66 N·m1.23 ft·lb | 1.09 N·m0.80 ft·lb |
| M5 | M5×0.50.5 mm | 4.51 kN1015 lbf | 4.40 N·m3.24 ft·lb | 3.25 N·m2.40 ft·lb | 2.10 N·m1.55 ft·lb |
| M6 | M6×0.750.75 mm | 6.17 kN1387 lbf | 7.40 N·m5.46 ft·lb | 5.51 N·m4.06 ft·lb | 3.61 N·m2.67 ft·lb |
| M7 | M7×0.750.75 mm | 8.72 kN1960 lbf | 11.8 N·m8.73 ft·lb | 8.77 N·m6.47 ft·lb | 5.71 N·m4.21 ft·lb |
| M8 | M8×11 mm | 11.0 kN2465 lbf | 17.5 N·m12.9 ft·lb | 13.0 N·m9.60 ft·lb | 8.54 N·m6.30 ft·lb |
| M10 | M10×1.251.25 mm | 17.1 kN3852 lbf | 33.8 N·m24.9 ft·lb | 25.2 N·m18.6 ft·lb | 16.6 N·m12.2 ft·lb |
| M12 | M12×1.51.5 mm | 24.7 kN5547 lbf | 57.6 N·m42.5 ft·lb | 42.9 N·m31.7 ft·lb | 28.3 N·m20.8 ft·lb |
| M14 | M14×1.51.5 mm | 34.9 kN7840 lbf | 93.8 N·m69.2 ft·lb | 69.5 N·m51.3 ft·lb | 45.3 N·m33.4 ft·lb |
| M16 | M16×1.51.5 mm | 46.8 kN10528 lbf | 142.5 N·m105.1 ft·lb | 105.2 N·m77.6 ft·lb | 67.9 N·m50.1 ft·lb |
| M18 | M18×1.51.5 mm | 60.5 kN13611 lbf | 206.8 N·m152.5 ft·lb | 152.2 N·m112.2 ft·lb | 97.6 N·m72.0 ft·lb |
| M20 | M20×1.51.5 mm | 76.0 kN17090 lbf | 286.6 N·m211.4 ft·lb | 210.3 N·m155.1 ft·lb | 134.1 N·m98.9 ft·lb |
| M22 | M22×1.51.5 mm | 93.3 kN20965 lbf | 388.0 N·m286.1 ft·lb | 284.1 N·m209.5 ft·lb | 180.2 N·m132.9 ft·lb |
| M24 | M24×22 mm | 107.6 kN24198 lbf | 487.6 N·m359.6 ft·lb | 358.8 N·m264.7 ft·lb | 230.1 N·m169.7 ft·lb |
| M27 | M27×22 mm | 138.8 kN31205 lbf | 710.1 N·m523.7 ft·lb | 521.0 N·m384.3 ft·lb | 331.9 N·m244.8 ft·lb |
| M30 | M30×22 mm | 173.9 kN39102 lbf | 985.3 N·m726.7 ft·lb | 721.2 N·m531.9 ft·lb | 457.1 N·m337.1 ft·lb |
| M33 | M33×22 mm | 213.0 kN47890 lbf | 1315.9 N·m970.6 ft·lb | 961.5 N·m709.1 ft·lb | 607.0 N·m447.7 ft·lb |
| M36 | M36×33 mm | 242.2 kN54445 lbf | 1654.4 N·m1220.2 ft·lb | 1217.4 N·m897.9 ft·lb | 780.5 N·m575.6 ft·lb |
| M39 | M39×33 mm | 287.9 kN64733 lbf | 2125.2 N·m1567.5 ft·lb | 1560.7 N·m1151.1 ft·lb | 996.2 N·m734.8 ft·lb |
| M42 | M42×33 mm | 337.7 kN75912 lbf | 2677.7 N·m1974.9 ft·lb | 1963.0 N·m1447.8 ft·lb | 1248.4 N·m920.7 ft·lb |
| M45 | M45×33 mm | 391.4 kN87980 lbf | 3318.3 N·m2447.4 ft·lb | 2429.0 N·m1791.5 ft·lb | 1539.6 N·m1135.6 ft·lb |
| M48 | M48×33 mm | 449.0 kN100939 lbf | 4070.1 N·m3002.0 ft·lb | 2975.1 N·m2194.3 ft·lb | 1880.0 N·m1386.6 ft·lb |
| M52 | M52×44 mm | 511.9 kN115082 lbf | 5037.5 N·m3715.5 ft·lb | 3699.5 N·m2728.6 ft·lb | 2361.4 N·m1741.7 ft·lb |
| M56 | M56×44 mm | 600.3 kN134955 lbf | 6354.4 N·m4686.8 ft·lb | 4658.3 N·m3435.8 ft·lb | 2962.2 N·m2184.8 ft·lb |
| M60 | M60×44 mm | 695.7 kN156410 lbf | 7831.5 N·m5776.2 ft·lb | 5733.2 N·m4228.6 ft·lb | 3634.8 N·m2680.9 ft·lb |
| M64 | M64×44 mm | 798.2 kN179447 lbf | 9520.7 N·m7022.1 ft·lb | 6961.1 N·m5134.2 ft·lb | 4401.5 N·m3246.4 ft·lb |
締付軸力は降伏荷重の70%です。トルクはISO 16047 / VDI 2230に基づき、標準六角頭で、ねじ面と座面に同じ摩擦係数μを用いて算出しています。サイズをクリックすると、二面幅、下穴径、計算例を確認できます。メーカー指定値がある場合は、必ずそちらに従ってください。
よくある質問
M8 5.8のボルトの締付トルクは?
乾燥状態で約16.6 N·m (12.2 ft·lb)、油潤滑で約12.5 N·m (9.20 ft·lb)です(M8×1.25、降伏荷重の70%、締付軸力10.3 kN)。
M10 5.8のボルトの締付トルクは?
乾燥状態で約32.5 N·m (24.0 ft·lb)、油潤滑で約24.4 N·m (18.0 ft·lb)です(M10×1.5、降伏荷重の70%、締付軸力16.2 kN)。
M12 5.8のボルトの締付トルクは?
乾燥状態で約55.7 N·m (41.1 ft·lb)、油潤滑で約41.8 N·m (30.8 ft·lb)です(M12×1.75、降伏荷重の70%、締付軸力23.6 kN)。