DIN 125 Washer Dimensions
ISO 7089
All measurements in millimetres
ID = Inside Diameter / d1
OD = Outside Diameter / d2
T = Thickness / s

Screw Size	ID	OD	T
M1		1.1	3	0.3
M1.2		1.3	3.5	0.3
M1.4		1.5	4	0.3
M1.6		1.7	4	0.3
M1.7		1.8	4.5	0.3
M2		2.2	5	0.3
M2.5		2.7	6	0.5
M2.6		2.8	7	0.5
M3		3.2	7	0.5
M3.5		3.7	8	0.5
M4		4.3	9	0.8
M5		5.3	10	1.0
M6		6.4	12	1.6
M7		7.4	14	1.6
M8		8.4	16	1.6
M10		10.5	20	2
M12		13	24	2.5
M14		15	28	2.5
M16		17	30	3
M18		19	34	3
M20		21	37	3
M22		23	39	3
M24		25	44	4
M27		28	50	4
M30		31	56	4
M33		34	60	5
M36		37	66	5
M39		40	71	6
M42		43	78	7
M45		46	85	7
M48		50	92	8
M52		54	98	8
M56		58	105	9
M60		62	110	9
M64		66	115	9
M68		70	120	10
M72		74	125	10
M76		78	135	10
M80		82	140	12
M85		87	145	12
M90		93	160	12
M100		104	175	14