Click Specification

(Non-preferred) dimensions in parentheses.

Wing Screws - Round Wing

JIS B 1184 - 1994

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Thread Size
d

M2.2

M2.5

d_k	min
k	min
n	Nominal Size
	max
	min
H	Nominal Size
	max
	min
h₁	max
h₂	max

4	4	5	5	7	8.5	10.5	14
2	2	3	3	4	5	6	8
12	12	16	16	20	25	32	40
13.5	13.5	17.5	17.5	21.5	26.5	34	42
10.5	10.5	14.5	14.5	18.5	23.5	30	38
6	6	8	8	10	12	16	20
7.5	7.5	9.5	9.5	11.5	13.5	17.5	21.5
4.5	4.5	6.5	6.5	8.5	10.5	14.5	18.5
2.5	2.5	2.5	2.5	3	3.5	4	4.5
3	3	3	3	4	4.5	5	5.5

Thread Size
d

M10

M12

(M14)

M16

(M18)

M20

(M22)

M24

d_k	min
k	min
n	Nominal Size
	max
	min
H	Nominal Size
	max
	min
h₁	max
h₂	max

18	22	26	26	30	34	38	43
10	12	14	14	16	18	20	22
50	60	70	70	80	90	100	112
52	62	72	72	82	92.5	102.5	114.5
48	58	68	68	78	87.5	97.5	109.5
25	30	35	35	40	45	50	56
26.5	31.5	37	37	42	47	52	58
23.5	28.5	33	33	38	43	48	54
5.5	7	8	8	8	9	10	11
6.5	8	9	9	10	11	12	13

Alternative history

JIS B 1184 - 1994 JIS B 1184 - 2010

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29	[UNI] UNI 5449 - 1971	Wing Screws - ISO Metric Coarse Thread - Finish C
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