Click Specification

(Non-preferred) dimensions in parentheses.

Semi-finished Washers (for Hexagonal Bolts and Nuts M1~M20)

CNS 151 - 1994

Display drawing:

Nominal Diameter
d

1.1

1.3

1.5

1.8

2.2

2.5

2.8

3.2

3.7

4.3

(4.8)

5.3

d	max
	min
d_c	Nominal Size
	max
	min
h	Nominal Size
	max
	min
For Nominal Thread Diameter

1.25	1.45	1.65	1.95	2.35	2.65	2.95	3.35	3.85	4.45	4.95	5.45
0.95	1.15	1.35	1.65	2.05	2.35	2.65	3.05	3.55	4.15	4.65	5.15
3	3.5	4	4.5	5.5	6	7	8	9	10	12	12
3.3	3.8	4.3	4.8	5.8	6.3	7.3	8.3	9.3	10.3	12.5	12.5
2.7	3.2	3.7	4.2	5.2	5.7	6.7	7.7	8.7	9.7	11.5	11.5
0.3	0.3	0.3	0.3	0.5	0.5	0.5	0.5	0.5	0.8	1	1
0.4	0.4	0.4	0.4	0.6	0.6	0.6	0.6	0.6	0.9	1.2	1.2
0.2	0.2	0.2	0.2	0.4	0.4	0.4	0.4	0.4	0.7	0.8	0.8
M1	M1.2	M1.4	M1.7	M2	M2.3	M2.6	M3	M3.5	M4	M4.5	M5

Nominal Diameter
d

(5.8)

6.4

(7.4)

8.4

(9.5)

10.5

(12)

d	max
	min
d_c	Nominal Size
	max
	min
h	Nominal Size
	max
	min
For Nominal Thread Diameter

5.95	6.55	7.55	8.55	9.65	10.7	12.2	13.2	15.2	17.2	19.2	21.2
5.65	6.25	7.25	8.25	9.35	10.3	11.8	12.8	14.8	16.8	18.8	20.8
13	14	14	18	22	22	24	28	28	34	40	40
13.5	14.5	14.5	18.5	22.5	22.5	24.5	28.5	28.5	34.8	40.8	40.8
12.5	13.5	13.5	17.5	21.5	21.5	23.5	27.5	27.5	33.2	39.2	39.2
1	1.5	1.5	2	2.5	2.5	3	3	3	3	4	4
1.2	1.7	1.7	2.2	2.7	2.7	3.2	3.2	3.2	3.2	4.5	4.5
0.8	1.3	1.3	1.8	2.3	2.3	2.8	2.8	2.8	2.8	3.5	3.5
M5.5	M6	M7	M8	M9	M10	M11	M12	M12	M16	M18	M20

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