Metric Washer Dimensions

Please see below measurements relating to our most common metric washers

Metric Form A Washer DIN 125					Metric Form C Washer DIN125C

Size	I/D mm	O/D mm	Thickness mm		Size	I/D mm	O/D mm	Thickness mm
M3	3.2	7	0.5
M4	4.3	9	0.8		M4	4.3	10	0.8
M5	5.3	10	1		M5	5.3	12.5	1
M6	6.4	12	1.6		M6	6.4	14	1.6
M8	8.4	16	1.6		M8	8.4	21	1.6
M10	10.5	20	2		M10	10.5	24	2
M12	13	24	2.5		M12	13	28	2.5
M14	15	28	2.5		M14	15	30	2.5
M16	17	30	3		M16	17	34	3
M18	19	34	3		M18	19	37	3
M20	21	37	3		M20	21	39	3
M22	23	39	3		M22	23	44	3
M24	25	44	4		M24	25	50	4
M27	28	50	4		M27	28	56	4
M30	31	56	4		M30	31	60	4
M33	34	60	5		M33	34	66	5
M36	37	66	5		M36	37	72	5
M39	40	72	6		M39	40	77	6
M42	43	78	7
M45	46	85	7
M48	50	92	8
M52	54	98	8
M56	58	105	9