Reduced Countersunk Head
PDF

Thread

Grip Range

L D

Hole Size

B

S

M3

0.5-1.5 9.0 4.80 4.9 5.5 0.4

M4

0.5-1.5 10.4 6.35 6.5 7.2 0.5
M5 0.5-2.0 12.0 7.10 7.2

8.0

0.6

M6

0.8-2.5 15.0 9.50 9.5 10.7 0.6

M8

1.0-3.0 16.0 10.50 10.6 11.7 0.6