Equivalent Standards

Dimensions of Plain Washers, Outer Diameter about 3 x D

Nominal Size	d1	d2	H
M 3	3.2	9	0.8
M 3.5	3.7	11	0.8
M 4	4.3	12	1
M 5	5.3	15	1.2
M 6	6.4	18	1.6
M 7	7.4	22	2
M 8	8.4	24	2
M 10	10.5	30	2.5
M 12	13	37	3
M 14	15	44	3
M 16	17	50	3
M 18	20	56	4
M 20	22	60	4
M 22	23/24	66	5
M 24	26	72	5
M 27	30	85	6
M 30	33	92	6
M 33	36	105	6
M 36	39	110	8