Carbon： Steel，SS304
Thread Size: M6-M36
surface finish: plain，black，galvanized，yellow-plated，H.D.G.Self Color
Grade: 8.8，10.9，12.9
Technical summary
Size | b | mix | dk max | max² | mix | k mix | d mix | s max | S | t mix |
M1.6 | 15 | 2.86 | 3.14 | 3 | 1.46 | 1.6 | 1.46 | 1.6 | 1.5 | 0.7 |
M2 | 16 | 3.62 | 3.98 | 3.8 | 1.86 | 2 | 1.86 | 2 | 1.5 | 1 |
M2.5 | 17 | 4.32 | 4.68 | 4.5 | 2.36 | 2.5 | 2.36 | 2.5 | 2 | 1.1 |
M3 | 18 | 5.32 | 5.68 | 5.5 | 2.86 | 3 | 286 | 3 | 2.5 | 1.3 |
M4 | 20 | 6.78 | 7.22 | 7 | 3.82 | 4 | 3.82 | 4 | 3 | 2 |
M5 | 22 | 8.28 | 8.72 | 8.5 | 4.82 | 5 | 4.82 | 5 | 4 | 2.5 |
M6 | 24 | 9.78 | 10.22 | 10 | 5.7 | 6 | 5.82 | 6 | 5 | 3 |
M8 | 28 | 12.73 | 13.27 | 13 | 7.64 | 8 | 7.78 | 8 | 6 | 4 |
M10 | 32 | 15.73 | 16.27 | 16 | 9.64 | 10 | 9.78 | 10 | 8 | 5 |
M12 | 36 | 17.73 | 18.27 | 18 | 11.57 | 12 | 11.73 | 12 | 10 | 6 |
(M14) | 40 | 20.67 | 21.33 | 21 | 13.57 | 14 | 13.73 | 14 | 12 | 7 |
M16 | 44 | 23.67 | 24.33 | 24 | 15.57 | 16 | 15.73 | 16 | 14 | 8 |
(M18) | 48 | 26.67 | 27.33 | 27 | 17.57 | 18 | 17.73 | 18 | 14 | 9 |
M20 | 52 | 29.67 | 30.33 | 30 | 19.48 | 20 | 19.67 | 20 | 17 | 10 |
(M22) | 56 | 32.61 | 33.39 | 33 | 21.48 | 22 | 21.67 | 22 | 17 | 11 |
M24 | 60 | 35.61 | 36.39 | 36 | 23.48 | 24 | 23.67 | 24 | 19 | 12 |
(M27) | 66 | 39.61 | 40.39 | 40 | 26.48 | 27 | 26.67 | 27 | 19 | 13.5 |
M30 | 72 | 44.61 | 45.39 | 45 | 29.48 | 30 | 29.67 | 30 | 22 | 15.5 |
(M33) | 78 | 49.61 | 50.39 | 50 | 32.38 | 33 | 32.61 | 33 | 24 | 18 |
M36 | 84 | 53.54 | 54.46 | 54 | 35.38 | 36 | 35.61 | 36 | 27 | 19 |
M42 | 96 | 62.54 | 6,346 | 63 | 41.38 | 42 | 41.61 | 42 | 32 | 24 |
M48 | 108 | 71.54 | 72.46 | 72 | 47.38 | 48 | 47.61 | 48 | 36 | 28 |
M56 | 124 | 83.46 | 84.54 | 84 | 55.26 | 56 | 55.54 | 56 | 41 | 34 |
For those with knuned heads and heads marked on the circumference | ||||||||||
