Dimensions of Metric Spring Washers Type B & BP (Single Coil, Rectangle Section)

Nom Size	ø D1		ø D2	T		Radius, R	L
	Max	Min	Max	Max	Min	Max	Ref
M1.65	1.9	1.7	3.5	0.5	0.3	0.15	-
M2	2.3	2.1	4.3	0.6	0.4	0.15	-
(M2.2)	2.5	2.3	4.7	0.7	0.5	0.2	-
M2.5	2.8	2.6	5.0	0.7	0.5	0.2	-
M3	3.3	3.1	6.1	0.9	0.7	0.25	-
(M3.5)	3.8	3.6	6.6	0.9	0.7	0.25	0.15
M4	4.35	4.1	7.55	1.0	0.8	0.3	0.15
M5	5.35	5.1	9.15	1.3	1.1	0.4	0.15
M6	6.4	6.1	11.7	1.7	1.5	0.5	0.2
M8	8.55	8.2	14.85	2.1	1.9	0.65	0.3
M10	10.6	10.2	18.0	2.35	2.05	0.7	0.3
M12	12.6	12.2	21.0	2.65	2.35	0.8	0.4
(M14)	14.7	14.2	24.1	3.15	2.85	1.0	0.4
M16	16.9	16.3	27.3	3.7	3.3	1.15	0.4
(M18)	19.0	18.3	29.4	3.7	3.3	1.15	0.4
M20	21.1	20.3	33.5	4.2	3.8	1.3	0.4
(M22)	23.3	22.4	35.7	4.2	3.8	1.3	0.4
M24	25.3	24.4	39.8	5.2	4.8	1.65	0.5
(M27)	28.5	27.5	43.0	5.2	4.8	1.65	0.5
M30	31.5	30.5	48.0	6.25	5.75	2.0	0.8
(M33)	34.6	33.5	55.1	6.25	5.75	2.0	0.8
M36	37.6	36.5	58.1	6.25	5.75	2.0	0.8
(M39)	40.8	39.6	61.3	6.25	5.75	2.0	0.8
M42	43.8	42.6	68.3	7.25	6.75	2.3	0.8
(M45)	46.8	45.6	71.3	7.25	6.75	2.3	0.8
M48	50.0	48.8	74.5	7.25	6.75	2.3	0.8
(M52)	54.1	52.8	82.6	8.25	7.75	2.65	1.0
M56	58.1	56.8	86.6	8.25	7.75	2.65	1.0
(M60)	62.3	60.9	90.8	8.25	7.75	2.65	1.0
M64	66.3	64.9	93.8	8.25	7.75	2.65	1.0
(M68)	70.5	69.0	99.0	8.25	7.75	2.65	1.0

Note : Sizes shown in brackets are non-preferred