Click Specification

(Non-preferred) dimensions in parentheses.

Hexagon Nuts - Finished【Table 1-1】

JIS B 1181 - 1993

Display drawing:

Screw Thread
d

(M2.2)

M2.5

(M3.5)

(M4.5)

(M7)

M10

M12

(M14)

M16

P	Coarse thread
P	Fine pitch
m	max
m	min
m₁	max
m₁	min
s	max
s	min
e	≈
d_a	≈
d_w	min
c	≈

0.4	0.45	0.45	0.5	0.6	0.7	0.75	0.8	1	1	1.25	1.5	1.75	2	2
-	-	-	-	-	-	-	-	-	-	1	1.25	1.25	1.5	1.5
1.6	1.8	2	2.4	2.8	3.2	3.6	4	5	5.5	6.5	8	10	11	13
1.35	1.55	1.75	2.15	2.55	2.9	3.3	3.7	4.7	5.2	6.14	7.64	9.64	10.57	12.57
1.2	1.4	1.6	1.8	2	2.4	2.8	3.2	3.6	4.2	5	6	7	8	10
0.95	1.15	1.35	1.55	1.75	2.15	2.5	2.9	3.3	3.9	4.7	5.7	6.64	7.64	9.64
4	4.5	5	5.5	6	7	8	8	10	11	13	17	19	22	24
3.8	4.3	4.8	5.3	5.8	6.8	7.8	7.8	9.8	10.75	12.75	16.75	18.65	21.65	23.65
4.6	5.2	5.8	6.4	6.9	8.1	9.2	9.2	11.5	12.7	15	19.6	21.9	25.4	27.7
3.8	4.3	4.7	5.3	5.8	6.8	7.8	7.8	9.8	10.8	12.5	16.5	18	21	23
-	-	-	-	-	-	-	7.2	9	10	11.7	15.8	17.6	20.4	22.3
-	-	-	-	-	-	-	0.4	0.4	0.4	0.4	0.4	0.6	0.6	0.6

Screw Thread
d

(M18)

M20

(M22)

M24

(M27)

M30

(M33)

M36

(M39)

M42

(M45)

M48

(M52)

M56

(M60)

P	Coarse thread
P	Fine pitch
m	max
m	min
m₁	max
m₁	min
s	max
s	min
e	≈
d_a	≈
d_w	min
c	≈

2.5	2.5	2.5	3	3	3.5	3.5	4	4	4.5	4.5	5	5	5.5	5.5
1.5	1.5	1.5	2	2	2	2	3	3	-	-	-	-	-	-
15	16	18	19	22	24	26	29	31	34	36	38	42	45	48
14.57	15.57	17.57	18.48	21.48	23.48	25.48	28.48	30.38	33.38	35.38	37.38	41.38	44.38	47.38
11	12	13	14	16	18	20	21	23	25	27	29	31	34	36
10.57	11.57	12.57	13.57	15.57	17.57	19.48	20.48	22.48	24.48	26.48	28.48	30.38	33.38	35.38
27	30	32	36	41	46	50	55	60	65	70	75	80	85	90
26.65	29.65	31.6	35.6	40.6	45.6	49.6	54.55	59.55	64.55	69.55	74.55	79.55	84.45	89.45
31.2	34.6	37	41.6	47.3	53.1	57.7	63.5	69.3	75	80.8	86.5	92.4	98.1	104
26	29	31	34	39	44	48	53	57	62	67	72	77	82	87
25.6	28.5	30.4	34.2	-	-	-	-	-	-	-	-	-	-	-
0.6	0.6	0.6	0.6	-	-	-	-	-	-	-	-	-	-	-

Screw Thread
d

M64

(M68)

M72

(M76)

M80

(M85)

M90

(M95)

M100

(M105)

M110

(M115)

(M120)

M125

(M130)

P	Coarse thread
P	Fine pitch
m	max
m	min
m₁	max
m₁	min
s	max
s	min
e	≈
d_a	≈
d_w	min
c	≈

6	6	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	6	6	6	6	6	6	6	6	6	6	6	6	6
51	54	58	61	64	68	72	76	80	84	88	92	96	100	104
50.26	53.26	57.26	60.26	63.26	67.26	71.26	75.26	79.26	83.13	87.13	91.13	95.13	99.13	103.13
38	40	42	46	48	50	54	57	60	63	65	69	72	76	78
37.38	39.38	41.38	45.38	47.38	49.38	53.26	56.26	59.26	62.26	64.26	68.26	71.26	75.26	77.26
95	100	105	110	115	120	130	135	145	150	155	165	170	180	185
94.45	99.45	104.45	109.45	114.45	119.45	129.35	134.35	144.35	149.35	154.35	164.35	169.35	179.35	184.3
110	115	121	127	133	139	150	156	167	173	179	191	196	208	214
92	97	102	107	112	116	126	131	141	146	151	161	166	176	181
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Alternative history

JIS B 1181 - 1993 JIS B 1181 - 2014

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