DIN 6916 Washer Dimensions

Nominal Size	For Thread Size	Hole Diameter, d1		External Diameter, d2		Thickness, h			c		e	Mass (7.85 kg/dm3), in kg per 1000 units
		min = nominal size	max	max = nominal size	min	Nominal Size	max	min	min = nominal size	max	≈
13	M 12	13	13.27	24	23.48	3	3.3	2.7	1.6	1.9	0.5	7.03
17	M 16	17	17.27	30	29.48	4	4.3	3.7	1.6	1.9	1	14.6
21	M 20	21	21.33	37	36.38	4	4.3	3.7	2	2.5	1	19.6
23	M 22	23	23.33	39	38.38	4	4.3	3.7	2	2.5	1	24.3
25	M 24	25	25.33	44	43.38	4	4.3	3.7	2	2.5	1	30.6
28	M 27	28	28.52	50	49	5	5.6	4.4	2.5	3	1	50.2
31	M 30	31	31.62	56	54.8	5	5.6	4.4	2.5	3	1	63.2
37	M 36	37	37.62	66	64.8	6	5.6	5.4	3	3.5	1.5	115