Hexagon Socket Head Cap Screws
Unit : mmThread Size (d) | M1.6 | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 | M12 | (M14) | M16 | (M18) | M20 | M24 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Thread Pitch (p) | 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 | 3 | |
b (ref.) | 15 | 16 | 17 | 18 | 20 | 22 | 24 | 28 | 32 | 36 | 40 | 44 | 48 | 52 | 60 | |
ds | Nominal Size | 1.6 | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 24 |
Tolerance | 0 -0.14 |
0 -0.18 |
0 -0.22 |
0 -0.27 |
0 -0.33 |
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dk | Nominal Size | 3 | 3.8 | 4.5 | 5.6 | 7 | 8.5 | 10 | 13 | 16 | 18 | 21 | 24 | 27 | 30 | 36 |
Tolerance 1) | +0.14 | ±0.18 | ±0.22 | ±0.27 | ±0.33 | ±0.39 | ||||||||||
k | Nominal Size | 1.6 | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 24 |
Tolerance | 0 -0.14 |
0 -0.18 |
0 -0.30 |
0 -0.36 |
0 -0.43 |
0 -0.52 |
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v | Max | 0.16 | 0.2 | 0.25 | 0.3 | 0.4 | 0.5 | 0.6 | 0.8 | 1.0 | 1.2 | 1.4 | 1.6 | 1.8 | 2 | 2.4 |
s | Nominal Size | 1.5 | 1.5 | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 14 | 17 | 19 |
Tolerance 5) | +0.060 +0.020 |
+0.080 +0.020 |
+0.105 +0.030 |
+0.130 +0.040 |
+0.230 +0.050 |
+0.275 +0.065 |
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e | Min | 1.73 | 1.73 | 2.3 | 2.87 | 3.44 | 4.58 | 5.72 | 6.86 | 9.15 | 11.43 | 13.72 | 16.00 | 16.00 | 19.44 | 21.73 |
t | Min | 0.7 | 1 | 1.1 | 1.3 | 2 | 2.5 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 12 |
r | Min | 0.7 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.25 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 |
da | Min | 2 | 2.6 | 3.1 | 3.6 | 4.7 | 5.7 | 6.8 | 9.2 | 11.2 | 14.2 | 16.2 | 18.2 | 20.2 | 22.4 | 26.4 |
Z1 | Approx | - | - | - | - | - | 0.9 | 1 | 1.2 | 1.5 | 2 | 2 | 2 | 0.5 | 2.5 | 3 |