DIN 7983 Specifications

Fasteners, Best Quality Fasteners

All measurements in millimeters (mm)

d1	d2 max.	k approx.	f approx.	m approx.	Cross Recess No.
2.2	4.3	1.3	0.7	2.8	H1
2.9	5.5	1.7	0.9	3.4	H1
3.5	6.8	2.1	1.2	4.6	H2
3.9	7.5	2.3	1.3	4.7	H2
4.2	8.1	2.5	1.4	4.9	H2
4.8	9.5	3	1.5	5.4	H2
5.5	10.8	3.4	1.7	7	H3
6.3	12.4	3.8	2	-	H3
8	15.8	4.65	-	-	-

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