BS 3692 – 2001 – Bu lông lục giác
Screw Thread | M1.6 | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 | M12 | (M14) | M16 | (M18) | M20 | (M22) | |
P | Pitch | 0.35 | 0.4 | 0.45 | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 |
ds | max | 1.6 | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 |
min | 1.46 | 1.86 | 2.23 | 2.86 | 3.82 | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 | 17.73 | 19.67 | 21.67 | |
s | max | 3.2 | 4 | 5 | 5.5 | 7 | 8 | 10 | 13 | 17 | 19 | 22 | 24 | 27 | 30 | 32 |
min | 3.08 | 3.88 | 4.88 | 5.38 | 6.85 | 7.85 | 9.78 | 12.73 | 16.73 | 18.67 | 21.67 | 23.67 | 26.67 | 29.67 | 31.61 | |
k | min | 1.225 | 1.525 | 1.825 | 2.125 | 2.925 | 3.65 | 4.15 | 5.65 | 7.18 | 8.18 | 9.18 | 10.18 | 12.215 | 13.215 | 14.215 |
min | 0.975 | 1.275 | 1.575 | 1.875 | 2.675 | 3.35 | 3.85 | 5.35 | 6.82 | 7.82 | 8.82 | 9.82 | 11.785 | 12.785 | 13.785 |
Screw Thread | M24 | (M27) | M30 | (M33) | M36 | (M39) | M42 | (M45) | M48 | (M52) | M56 | (M60) | M64 | (M68) | |
P | Pitch | 3 | 3 | 3.5 | 3.5 | 4 | 4 | 4.5 | 4.5 | 5 | 5 | 5.5 | 5.5 | 6 | 6 |
ds | max | 24 | 27 | 30 | 33 | 36 | 39 | 42 | 45 | 48 | 52 | 56 | 60 | 64 | 68 |
min | 23.67 | 26.67 | 29.67 | 32.61 | 35.61 | 38.61 | 41.61 | 44.61 | 47.61 | 51.54 | 55.54 | 59.54 | 63.54 | 67.54 | |
s | max | 36 | 41 | 46 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 | 95 | 100 |
min | 35.38 | 40.38 | 45.38 | 49.38 | 54.26 | 59.26 | 64.26 | 69.26 | 74.26 | 79.26 | 84.13 | 89.13 | 94.13 | 99.13 | |
k | min | 15.215 | 17.215 | 19.26 | 21.26 | 23.26 | 25.26 | 26.26 | 28.26 | 30.26 | 33.21 | 35.31 | 38.31 | 40.31 | 43.31 |
min | 14.785 | 16.785 | 18.74 | 20.74 | 22.74 | 24.74 | 25.74 | 27.74 | 29.74 | 32.69 | 34.69 | 37.69 | 39.69 | 42.69 |