Click Specification

(Non-preferred) dimensions in parentheses.

Hexagon Acorn Nuts

JIS B 1183 - 2001

Display drawing:

Screw Thread
d

M10

M12

(M14)

M16

(M18)

M20

(M22)

M24

(M27)

M30

(M33)

M36

(M39)

P	Pitch
m₁	Nominal Size
	max
	min
m	max
m	min
s	max
s	min
b₁	min
b₂	Nominal Size
g	≈
A	min
t₁	min
e	≈
d_w	≈
R	≈
r	≈

1	1.25	1.25	1.5	1.5	1.5	1.5	1.5	2	2	2	2	3	3
15	18	22	24	28	31	34	38	41	46	50	54	59	64
15.3	18.3	22.3	24.3	28.4	31.4	34.4	38.4	41.4	46.5	50.5	54.5	59.5	64.5
14.7	17.7	21.7	23.7	27.6	30.6	33.6	37.6	40.6	45.5	49.5	53.5	58.5	63.5
6.5	8	10	11	13	15	16	18	19	22	24	26	29	31
6.14	7.64	9.64	10.57	12.57	14.57	15.57	17.57	18.48	21.48	23.48	25.48	28.48	30.38
13	17	19	22	24	27	30	32	36	41	46	50	55	60
12.75	16.75	18.65	21.65	23.65	26.65	29.65	31.6	35.6	40.6	45.6	49.6	54.55	59.55
8	10	12	14	16	18	20	22	24	27	30	33	36	39
6.5	8	10	11	13	15	16	18	19	22	24	26	29	31
3	3.5	4	5	5	6	6	6	8	8	9	9	10	10
11.5	14.5	16.5	19.5	21.5	23.5	26.5	28.5	32.5	37.5	41.5	45.5	50.5	55.5
0.5	0.5	1	1	1	1	1	1	1	1	1	1	1	1
15	19.6	21.9	25.4	27.7	31.2	34.6	37	41.6	47.3	53.1	57.7	63.5	69.3
12.5	16.5	18	21	23	26	29	31	34	39	44	48	53	57
6.5	7.5	8	10	11	12	13.5	14.5	16.5	19	21	23	25.5	28
0.5	0.5	1	1	1	1	1	1	1	1.5	1.5	1.5	1.5	1.5

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