IFI 513 – 1982 – Bu lông liền long đen
Screw Thread | M2 | M2.5 | M3 | M3.5 | M4 | M5 | M6 | M8 | M10 | M12 | |
P | Pitch | 0.4 | 0.45 | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 |
ds | max | 2 | 2.5 | 3 | 3.5 | 4 | 5 | 6 | 8 | 10 | 12 |
min | 1.65 | 2.12 | 2.58 | 3 | 3.43 | 4.36 | 5.21 | 7.04 | 8.85 | 10.68 | |
s | max | 3 | 3.2 | 4 | 5 | 5.5 | 7 | 8 | 10 | 13 | 15 |
min | 2.84 | 3.04 | 3.84 | 4.82 | 5.32 | 6.78 | 7.78 | 9.78 | 12.72 | 14.72 | |
e | min | 3.16 | 3.39 | 4.27 | 5.36 | 5.92 | 7.55 | 8.66 | 10.89 | 14.16 | 16.38 |
dc | max | / | / | / | / | / | 11.4 | 13.6 | 17 | 20.8 | 24.7 |
min | / | / | / | / | / | / | / | / | / | / | |
k | max | / | / | / | / | / | 5.6 | 6.6 | 9 | 11 | 13.5 |
b | min | 25 | 25 | 25 | 38 | 38 | 38 | 38 | 38 | 38 | 38 |