Click Specification

(Non-preferred) dimensions in parentheses.

Hexagon Acorn Nuts

KS B 1026 - 2012 (R2022)

Display drawing:

Screw Thread
d

M10

M12

(M14)

M16

(M18)

P	pitch	Coarse thread
		Fine thread
m₁	Nominal Size
	max
	min
m	max=nominal size
	min
s	max=nominal size
	min
b₁	min
b₂	Nominal Size
g	≈
A	min
t₁	min
e	≈
d_w	≈
R	≈
r	≈

0.7	0.8	1	1.25	1.5	1.75	2	2	2.5
/	/	/	1	1.25	1.25	1.5	1.5	1.5
9.5	11	12	15	18	22	24	28	31
9.75	11.25	12.25	15.3	18.3	22.3	24.3	28.4	31.4
9.25	10.75	11.75	14.7	17.7	21.7	23.7	27.6	30.6
3.2	4	5	6.5	8	10	11	13	15
2.9	3.7	4.7	6.14	7.64	9.64	10.57	12.57	14.57
7	8	10	13	17	19	22	24	27
6.8	7.8	9.8	12.75	16.75	18.65	21.65	23.65	26.65
4	5	6	8	10	12	14	16	18
3.2	4	5	6.5	8	10	11	13	15
2	2	2.5	3	3.5	4	5	5	6
5.6	6.6	8.5	11.5	14.5	16.5	19.5	21.5	23.5
0.5	0.5	0.5	0.5	0.5	1	1	1	1
8.1	9.2	11.5	15	19.6	21.9	25.4	27.7	31.2
6.8	7.8	9.8	12.5	16.5	18	21	23	26
3	3.5	4.5	6.5	7.5	8	10	11	12
0.5	0.5	0.5	0.5	0.5	1	1	1	1

Screw Thread
d

M20

(M22)

M24

(M27)

M30

(M33)

M36

(M39)

P	pitch	Coarse thread
		Fine thread
m₁	Nominal Size
	max
	min
m	max=nominal size
	min
s	max=nominal size
	min
b₁	min
b₂	Nominal Size
g	≈
A	min
t₁	min
e	≈
d_w	≈
R	≈
r	≈

2.5	2.5	3	3	3.5	3.5	4	4
1.5	1.5	2	2	2	2	3	3
34	38	41	46	50	54	59	64
34.4	38.4	41.4	46.5	50.5	54.5	59.5	64.5
33.6	37.6	40.6	45.5	49.5	53.5	58.5	63.5
16	18	19	22	24	26	29	31
15.57	17.57	18.48	21.48	23.48	25.48	28.48	30.38
30	32	36	41	46	50	55	60
29.65	31.6	35.6	40.6	45.6	49.6	54.55	59.55
20	22	24	27	30	33	36	39
16	18	19	22	24	26	29	31
6	6	8	8	9	9	10	10
26.5	28.5	32.5	37.5	41.5	45.5	50.5	55.5
1	1	1	1	1	1	1	1
34.6	37	41.6	47.3	53.1	57.7	63.5	69.3
29	31	34	39	44	48	53	57
13.5	14.5	16.5	19	21	23	25.5	28
1	1	1	1.5	1.5	1.5	1.5	1.5

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