DIN 94 Dimensions for Cotter Pins

d	d1 max.	d1 min.	c max.	c min.	a max.	b ˜
1	0.9	0.8	1.8	1.6	1.6	3.0
1.2	1.0	0.9	2	1.7	2.5	3.0
1.6	1.4	1.3	2.8	2.4	2.5	3.2
2	1.8	1.7	3.6	3.2	2.5	4.0
2.5	2.3	2.1	4.6	4.0	2.5	5.0
3.2	2.9	2.7	5.8	5.1	3.2	6.4
4	3.7	3.5	7.4	6.5	4.0	8.0
5	4.6	4.4	9.2	8.0	4.0	10.0
6.3	5.9	5.7	11.8	10.3	4.0	12.6
8	7.5	7.3	15	13.1	4.0	16.0
10	9.5	9.3	19	16.6	6.3	20.0
13	12.4	12.1	24.8	21.7	6.3	26.0

The approximate weight kg/1000 kpl

Length L/mm	M 2	M 2.3	M 2.5	M 3	M 3.5	M 4	M 5	M 6	M 8	M 10
6	0.22	0.32	0.36	0.60	0.85	1.2
8	0.25	0.37	0.44	0.69	1.0	1.3	2.2
10	0.29	0.42	0.48	0.78	1.1	1.5	2.6	3.9	7.9
12	0.33	0.47	0.54	0.87	1.2	1.6	2.8	4.3	8.5	14.6
16		0.58	0.66	1.0	1.4	2.0	3.3	5.0	9.8	16.6
20			0.72	1.2	1.7	2.3	3.8	5.7	11.0	18.6
25				1.4	2.0	2.6	4.4	6.6	12.6	21.1
30				1.7	2.3	3.0	5.0	7.5	14.2	23.6
35					2.5	3.4	5.6	8.3	15.8	26.1
40						3.8	6.3	9.2	17.4	28.6
45						4.2	6.9	10.0	18.9	31.1
50						4.6	7.5	10.9	20.6	33.6
60								11.8	23.4	38.6