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(Non-preferred) dimensions in parentheses.

Unit:mm

Cross Recessed Round Head Screws

JIS B 1111 (JA8) - 2017

Display drawing:

日标JIS B1111 (JA8) - 2017 JIS1111 1111JIS Cross Recessed Round Head Screws

Download CAD Model

日标JIS B1111 (JA8) - 2017 JIS1111 1111JIS Cross Recessed Round Head Screws

Download CAD Model

Thread Size
d

M2

M2.5

M3

(M3.5)

M4

M5

M6

M8

P	Pitch
Socket No.
d_k	max
d_k	min
k	Nominal Size
	max
	min
m	Ref.
b
r	≈

0.4	0.45	0.5	0.6	0.7	0.8	1	1.25
1	1	2	2	2	2	3	3
3.5	4.5	5.5	6	7	9	10.5	14
3.1	4.1	5	5.5	6.5	8.4	9.8	13.2
1.3	1.7	2	2.3	2.6	3.4	4	5.4
1.4	1.8	2.15	2.45	2.75	3.55	4.2	5.6
1.2	1.6	1.85	2.15	2.45	3.25	3.8	5.2
2.1	2.5	3.5	3.8	4.1	4.8	6.2	7.7
8	12	12	14	16	20	25	30
0.1	0.1	0.1	0.1	0.2	0.2	0.25	0.4

①,x ≈ 2P

Alternative history

JIS B 1111A6 - 1996 JIS B 1111A6 - 2006 JIS B 1111JA8 - 2017

Suppliers

Best price if from GlobalFastener.com.

Suzhou Hanlinyu Precision Hardware Co., Ltd.

Amy Li
+86-13771867939/13771793559
+86-512-65868465

Material: Carbon steel, Stainless steel; Grade: 8.8; Specifications: M2-M12

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Similar Standards

1		[ASME/ANSI] ASME/ANSI B 18.6.3 - 2003	Cross recessed round head screws View Suppliers
2		[JIS] JIS B 1111 (A6) - 2006	Cross Recessed Round Head Screws View Suppliers
3		[JIS] JIS B 1111 (A6) - 1996	Cross recessed round head screws View Suppliers
4		[ASME] ASME B 18.6.3 (T39-I) - 2013	Cross recessed round head screws With Collar
5		[DIN] DIN 967 - 1994	Cross recessed pan head screws with collar—Product grade A
6		[ASME] ASME B 18.6.3 (T36-I/T36-IA) - 2013	Cross recessed round head screws
7		[DIN] DIN 34812 - 1999	Plastic Pan Head Screws With Cross Recess
8		[NF] NF E 25-122 - 1984	PZ Drives Round Head Screws With Collar
9		[GOST] GOST 17473 - 1980	Half-rounded head screws, product grades A and B
10		[CNS] CNS 9676 - 1988	Cross Recessed Round Head Screws