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Click Specification

(Non-preferred) dimensions in parentheses.

Unit:mm

Cross Recessed Round Head Wood Screws

JIS B 1112 - 1995

Display drawing:

日标JIS B1112 - 1995 JIS1112 1112JIS Cross Recessed Round Head Wood Screws

Screw Thread
d

2.1

2.4

2.7

3.1

3.5

3.8

4.1

4.5

4.8

Socket No.
d_s	Nominal Size
	max
	min
d_k	Nominal Size
	max
	min
k	Nominal Size
	max
	min
R	≈
r₂	≈
m	max
t	max
t	min
P	≈
r	max

1	1	1	2	2	2	2	2	2
2.1	2.4	2.7	3.1	3.5	3.8	4.1	4.5	4.8
2.17	2.47	2.77	3.17	3.6	3.9	4.2	4.6	4.92
2.03	2.33	2.63	3.03	3.4	3.7	4	4.4	4.68
3.9	4.4	5	5.7	6.5	7	7.6	8.3	8.9
4.1	4.6	5.2	5.95	6.75	7.25	7.85	8.6	9.2
3.7	4.2	4.8	5.45	6.25	6.75	7.35	8	8.6
1.6	1.8	2	2.3	2.5	2.7	2.9	3.1	3.3
1.7	1.9	2.15	2.45	2.65	2.85	3.05	3.25	3.45
1.5	1.7	1.85	2.15	2.35	2.55	2.75	2.95	3.15
2.3	2.6	3	3.4	4	4.4	4.8	5.2	5.7
1.4	1.5	1.7	1.9	2.1	2.3	2.4	2.6	2.8
2.5	2.7	2.9	3.7	3.9	4.1	4.3	4.5	4.7
1.32	1.52	1.72	1.63	1.83	2.03	2.23	2.43	2.63
0.9	1.1	1.29	1.06	1.25	1.45	1.64	1.84	2.04
1	1.1	1.2	1.3	1.4	1.6	1.8	1.9	2.1
0.1	0.1	0.2	0.2	0.2	0.2	0.3	0.3	0.3

Screw Thread
d

5.1

5.5

5.8

6.2

6.8

7.5

8

9.5

Socket No.
d_s	Nominal Size
	max
	min
d_k	Nominal Size
	max
	min
k	Nominal Size
	max
	min
R	≈
r₂	≈
m	max
t	max
t	min
P	≈
r	max

3	3	3	3	3	4	4	4
5.1	5.5	5.8	6.2	6.8	7.5	8	9.5
5.22	5.62	5.92	6.32	6.95	7.65	8.15	9.65
4.98	5.38	5.68	6.08	6.65	7.35	7.85	9.35
9.4	10.2	10.7	11.5	12.6	13.9	14.8	17.6
9.7	10.5	11.05	11.85	12.95	14.3	15.2	18
9.1	9.9	10.35	11.15	12.25	13.5	14.4	17.2
3.5	3.8	4	4.2	4.6	5	5.3	6.3
3.65	3.95	4.2	4.4	4.8	5.2	5.5	6.5
3.35	3.65	3.8	4	4.4	4.8	5.1	6.1
6	6.5	6.9	7.4	8.2	9.1	9.7	11.6
2.9	3.2	3.3	3.5	3.8	4.2	4.4	5.2
5.9	6.1	6.3	6.6	6.9	8.4	8.7	9.7
2.56	2.76	2.96	3.26	3.56	4.05	4.35	5.35
1.96	2.16	2.36	2.65	2.93	3.48	3.77	4.75
2.2	2.4	2.6	2.7	3.1	3.3	3.3	3.8
0.3	0.3	0.3	0.3	0.3	0.4	0.4	0.4

①,b≈(2/3)L.

Similar Standards

1		[DIN] DIN 7996 - 2016	Cross Recessed Round Head Wood Screws
2		[ASME/ANSI] ASME/ANSI B 18.6.1 - 1997	Cross recessed round head wood screws
3		[ASME/ANSI] ASME/ANSI B 18.6.1 - 1981 (R2016)	Type II Slotted Pan Head Wood Screws
4		[DIN] DIN 7996 - 1986	Cross Recessed Round Head Wood Screws
5		[DIN] DIN 7996 - 2010	Cross recessed pan head wood screws
6		[ASME/ANSI] ASME/ANSI B 18.6.1 - 1997	Cross recessed round head wood screws
7		[ASME/ANSI] ASME/ANSI B 18.6.1 - 1981 (R2016)	Type I Slotted Pan Head Wood Screws
8		[ASME/ANSI] ASME/ANSI B 18.6.1 - 1997	Cross recessed round head wood screws
9		[ASME/ANSI] ASME/ANSI B 18.6.1 - 1981 (R2016)	Type IA Slotted Pan Head Wood Screws
10		[NF] NF E 25-603 - 1984	Cross Recessed Round Head Wood Screws - Symbol R Z
11		[GB] GB /T 950 - 1986	Cross recessed round head wood screws
12		[BS] BS 1210 - 1963	Recessed Round Head Wood Screws
13		[CNS] CNS 4562 - 1981	Cross Recessed Pan Head Wood Screws