Flat Head (Metric)
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Grip Range

L D

Hole Size

B S
M4 0.5-2.0
2.0-3.3
10.67
11.94
6.73 6.75 9.91 0.76
M5 0.5-3.3
3.3-5.7
12.07
14.86
7.52 7.60 10.54 0.76
M6 0.7-4.2
4.2-6.6
14.73
17.27
9.91 10.00 12.70 0.76
M8 0.7-3.8
3.8-7.9
17.53
20.45
13.46 13.50 17.40 0.89
M10 0.7-3.8
3.8-7.9
17.53
20.45
13.46 13.50 17.40 0.89
M12 1.6-5.1
5.1-8.9
29.21
33.02
17.40 17.45 21.97 1.19