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¢Ã Hexagon Socket Countersank Head Screws Unit : mm
Thread Size (d) M3 M4 M5 M6 M8 M10 M12 M16
Thread Pitch (p) 0.5 0.7 0.8 1 1.25 1.5 1.75 2
ds Nominal Size 3 4 5 6 8 10 12 16
Tolerance
0
-0.1
0
-0.15
dk Nominal Size 6 8 10 12 16 20 24 30
Tolerance 0
-0.30
0
-0.36
0
-0.43
0
-0.52
k Nominal Size 1.7 2.3 2.8 3.3 4.4 5.5 6.5 7.5
Tolerance 0
-0.14
0
-0.18
0
-0.22
c Reference 0.2 0.3 0.3 0.3 0.4 0.5 0.5 0.5
s Nominal Size 2 2.5 3 4 5 6 8 10
Tolerance +0.080
+0.020
+0.105
+0.030
+0.130
-0.040
e Approx. 2.3 2.9 3.6 4.7 5.9 7 9.4 11.7
t Nominal Size 1.2 1.8 2.3 2.5 3.5 4.4 4.6 5.3
Tolerance 0
-0.25
0
-0.30
r Min. 0.1 0.2 0.2 0.25 0.4 0.4 0.6 1
Z1 Approx. - - 0.9 - 1.2 1.5 2 2