Click Specification

Lock Washers (Retaining Washers for Shafts)

JIS B 2804 (ER) - 2010

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Size

0.8

1.2

1.5

2.5

d	max=nominal size
d	min
d_c	Nominal Size
	max
	min
n	max=nominal size
n	min
h	Nominal Size
	max
	min
b	≈

0.8	1.2	1.5	2	2.5	3	4	5	6
0.72	1.11	1.41	1.91	2.41	2.91	3.88	4.88	5.88
2	3	4	5	6	7	9	11	12
2.1	3.1	4.2	5.2	6.2	7.2	9.2	11.2	12.2
1.9	2.9	3.8	4.8	5.8	6.8	8.8	10.8	11.8
0.7	1	1.3	1.7	2.1	2.6	3.5	4.3	5.2
0.45	0.75	1.05	1.45	1.85	2.35	3.2	4	4.9
0.2	0.3	0.4	0.4	0.4	0.6	0.6	0.6	0.8
0.22	0.325	0.43	0.43	0.43	0.64	0.64	0.64	0.84
0.18	0.275	0.37	0.37	0.37	0.56	0.56	0.56	0.76
0.3	0.4	0.6	0.7	0.8	0.9	1.1	1.2	1.4

Size

d	max=nominal size
d	min
d_c	Nominal Size
	max
	min
n	max=nominal size
n	min
h	Nominal Size
	max
	min
b	≈

7	8	9	10	12	15	19	24
6.85	7.85	8.85	9.85	11.82	14.82	18.79	23.79
14	16	18	20	23	29	37	44
14.2	16.2	18.2	20.3	23.3	29.3	37.3	44.3
13.8	15.8	17.8	19.7	22.7	28.7	36.7	43.7
6.1	6.9	7.8	8.7	10.4	13	16.5	20.8
5.75	6.55	7.45	8.35	9.95	12.55	16.05	20.3
0.8	0.8	0.8	1	1	1.5(1.6)	1.5(1.6)	2
0.84	0.84	0.84	1.05	1.05	1.56(1.66)	1.56(1.66)	2.07
0.76	0.76	0.76	0.95	0.95	1.44(1.54)	1.44(1.54)	1.93
1.6	1.8	2	2.2	2.4	2.8	4	5

Alternative history

JIS B 2804(ER) - 2001 JIS B 2804(ER) - 2010

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