DIN 137 A

DIN 137 A , Curved Washer
Dimension of DIN 137A as below:

DIN 137A Metric Curved spring washers
Size	d1	d2	S
M2.5	2.8	5.5	0.3
M3	3.2	6	0.4
M3.5	3.7	7	0.4
M4	4.3	8	0.5
M5	5.3	10	0.5
M6	6.4	11	0.5
M7	7.4	12	0.5
M8	8.4	15	0.5
M10	10.5	18	0.8

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