DIN 7978 Specifications

Fasteners, Best Quality Fasteners
All measurements in millimeters (mm)
d1 d2 a approx b t min.
6 M4 0.8 6 10
8 M5 1 8 12
10 M6 1.2 10 16
12 M8 1.6 12 20
16 M10 2 16 25
20 M12 2.5 18 27
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