Click Specification

(Non-preferred) dimensions in parentheses.

Domed Cap Nuts - Type 3

JIS B 1183 - 2010

Display drawing:

Screw Thread
d

M10

M12

(M14)

M16

(M18)

P	Pitch	Coarse thread
		Fine thread
m₂	Nominal Size
	max
	min
m	max
	min
s	max
	min
b	Nominal Size
A	min
t₂	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
6.2	7.5	9.5	12.5	15.5	18.5	21	24	27
6.45	7.75	9.75	12.8	15.8	18.8	21.3	24.4	27.4
5.95	7.25	9.25	12.2	15.2	18.2	20.7	23.6	26.6
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
3.2	4	5	6.5	8	10	11	13	15
5.6	6.6	8.5	11.5	14.5	16.5	19.5	21.5	23.5
0.6	0.6	0.6	0.8	1	1.2	1.6	1.6	1.6
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
m₂	Nominal Size
	max
	min
m	max
	min
s	max
	min
b	Nominal Size
A	min
t₂	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
29	32.5	35.5	41	45	49	54.5	59
29.4	32.9	35.9	41.5	45.5	49.5	55	59.5
28.6	32.1	35.1	40.5	44.5	48.5	54	58.5
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
16	18	19	22	24	26	29	31
26.5	28.5	32.5	37.5	41.5	45.5	50.5	55.5
1.6	2	2	2	2	2	2	2
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

①,Type 1 is that the hexagonal part and the cap part are integrated and no undercut is provided, type 2 is that the hexagonal part and the cap part are integrated and an undercut is provided, and type 3 is that the hexagonal part and the cap part are welded together.

Alternative history

JIS B 1183 - 1994 JIS B 1183 - 2001 JIS B 1183 - 2010

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Similar Standards

1	[JIS] JIS B 1183 - 2001	Acorn nuts-combined type
2	[GB] GB /T 802.2 - 2008	Hexagon Weld Acorn Nuts
3	[JIS] JIS B 1183 - 1994	Small hexagon acorn nuts-combined type
4	[JIS] JIS B 1183 - 1994	Acorn nuts-combined type
5	[GB] GB /T 802.4 - 2009	Hexagon Cap Nuts - Welding Type
6	[JIS] JIS B 1183 - 2010	Small Acorn Nuts - Assembling Type
7	[GB] GB 802 - 1988	Acorn Nuts
8	[JIS] JIS B 1183 - 2001	Small Acorn Nuts - Assembling Type
9	[GB] GB /T 802.1 - 2008	Acorn Nuts-Assembling Type
10	[KS] KS B 1026 - 2012 (R2022)	Small Domed Cap Nuts - Assembling Type
11	[KS] KS B 1026 - 2012 (R2022)	Domed Cap Nuts - Assembling Type