Flat Washer Sizes

Size Chart

For Screw Size	Hole Diameter (mm)	Outside Diameter (mm)	Washer Thickness (mm)
M1.6	1.7	4.0	0.3
M2	2.2	5.0	0.3
M2.5	2.7	6.0	0.5
M3	3.2	7.0	0.5
M3.5	3.7	8.0	0.5
M4	4.3	9.0	0.8
M5	5.3	10	1.0
M6	6.4	12	1.6
M8	7.4	14	1.6
M10	10.5	20	2.0
M12	13	24	2.5
M14	15	28	2.5
M16	17	30	3.0
M18	19	34	3.0
M20	21	37	3.0
M22	23	39	3.0
M24	25	34	4.0
M27	28	50	4.0
M30	31	56	4.0
M33	34	60	5.0
M36	37	66	5.0
M39	40	72	6.0
M42	43	78	7.0
M45	46	85	7.0
M48	50	92	8.0
M52	54	98	8.0
M56	58	105	9.0

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