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High Strength Washer For Friction Grip Joints

JIS B 1186 - 1995

Display drawing:

For Nominal Thread Diameter

M12

M16

M20

M22

M24

M27

M30

d	max
d	min
d_c	max
d_c	min
h	max
h	min
c	≈
r	≈

13.7	17.7	21.8	23.8	25.8	28.8	32
13	17	21	23	25	28	31
26	32	40	44	48	56	60
25.2	31	39	43	47	54.8	58.8
3.6	5	5	6.7	6.7	6.7	8.7
2.8	4	4	5.3	5.3	5.3	7.3
1.5	1.5	2	2	2.4	2.4	2.8
1.5	1.5	2	2	2.4	2.4	2.8

Alternative history

JIS B 1186 - 1995 JIS B 1186 - 2013

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