Strength Contrast of Screw and Nut
Unit: N-m
Size of Nut | Size of Screw | Class Level | ||||
---|---|---|---|---|---|---|
(B) | (d1) | 4.6 | 6.8 | 8.8 | 10.9 | 12.9 |
4.5mm | M2 | 0.12 | 0.238 | 0.319 | 0.447 | 0.536 |
5mm | M2.5 | 0.245 | 0.487 | 0.65 | 0.915 | 1.1 |
5.5mm | M3 | 0.434 | 0.87 | 1.16 | 1.63 | 1.96 |
6mm | M3.5 | 0.683 | 1.37 | 1.82 | 2.56 | 3.08 |
7mm | M4 | 1.01 | 2.02 | 2.7 | 3.79 | 4.54 |
8mm | M5 | 2.04 | 4.09 | 5.47 | 7.67 | 9.18 |
10mm | M6 | 3.47 | 6.97 | 9.27 | 13 | 15.6 |
11mm | M7 | 5.85 | 11.6 | 15.5 | 21.8 | 26.2 |
13mm | M8 | 8.41 | 16.9 | 22.5 | 31.6 | 37.9 |
17mm | M10 | 16.7 | 33.4 | 44.5 | 62.6 | 75.2 |
19mm | M12 | 29.1 | 58.3 | 77.6 | 109 | 131 |
22mm | M14 | 46.4 | 92.7 | 124 | 174 | 209 |
24mm | M16 | 72.3 | 145 | 194 | 271 | 325 |
27mm | M18 | 100 | 199 | 266 | 373 | 447 |
30mm | M20 | 141 | 282 | 376 | 529 | 635 |
32mm | M22 | 192 | 384 | 511 | 720 | 865 |
36mm | M24 | 244 | 488 | 650 | 915 | 1100 |
41mm | M27 | 358 | 713 | 951 | 1340 | 1610 |
46mm | M30 | 484 | 971 | 1290 | 1820 | 2180 |
50mm | M33 | 661 | 1320 | 1760 | 2470 | 2970 |
55mm | M36 | 848 | 1690 | 2260 | 3180 | 4020 |
60mm | M39 | 1100 | 2190 | 2920 | 4110 | 4930 |
65mm | M42 | 1350 | 2710 | 3610 | 5080 | 6080 |
70mm | M45 | 1700 | 3400 | 4540 | 6370 | 7630 |
75mm | M48 | 2030 | 4060 | 5440 | 7620 | 9120 |
80mm | M52 | 2640 | 5290 | 7040 | 9880 | 11800 |
85mm | M56 | 3270 | 6560 | 8710 | 12300 | 14800 |
90mm | M60 | 4080 | 8180 | 10900 | 15300 | 18300 |
95mm | M64 | 4930 | 9890 | 13100 | 18500 | 22300 |
100mm | M68 | 5970 | 12000 | 16000 | 22500 | 27000 |
105mm | M72 | 7150 | 14400 | 19100 | 26900 | 32300 |
110mm | M76 | 8540 | 17000 | 22700 | 31900 | 38300 |
115mm | M80 | 10000 | 20000 | 26600 | 37500 | 45000 |
- Note:
- (1) Class 4.6 and 6.8 are for DIY use.
- (2) Class 8.8 is for general use.
- (3) Class 10.9 is for pneumatic and professional use.
- (4) Class 12.9 is for industrial use.