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Click Specification

(Non-preferred) dimensions in parentheses.

Unit:inch

Cross Raised Cheese Head Screws

BS 1981 - 1991

Display drawing:

英标BS 1981 - 1991 BS1981 1981BS Cross Raised Cheese Head Screws

Thread Size
d

2#

(3#)

4#

5#

6#

8#

10#

(12#)

1/4

5/16

3/8

7/16

1/2

d_k	max
	min
k	max
	min
Socket No.
M
Penetration depth	max
	min

0.14	0.161	0.183	0.205	0.226	0.27	0.313	0.357	0.414	0.518	0.622	0.625	0.75
0.124	0.145	0.166	0.187	0.208	0.250	0.292	0.334	0.389	0.490	0.590	0.589	0.710
0.083	0.095	0.107	0.120	0.132	0.156	0.180	0.205	0.237	0.295	0.355	0.368	0.412
0.066	0.077	0.088	0.100	0.111	0.133	0.156	0.178	0.207	0.262	0.315	0.321	0.362
1	1	1	2	2	2	2	3	3	3	4	4	4
0.096	0.104	0.114	0.132	0.154	0.169	0.185	0.246	0.265	0.314	0.369	0.391	0.412
0.053	0.062	0.072	0.054	0.076	0.092	0.108	0.117	0.137	0.183	0.201	0.224	0.246
0.043	0.052	0.052	0.036	0.058	0.074	0.090	0.099	0.119	0.165	0.183	0.206	0.228

①,a < 2 pitches
②,ds≈effective dia. or major dia.

Similar Standards

1		[ISO] ISO 7048 - 2011	Cross Recessed Cheese Head Screws View Suppliers
2		[ISO] ISO 7048 - 1998	Cross Recessed Cheese Head Screws View Suppliers
3		[DIN] DIN 7985 - 1986	Cross recessed raised cheese head screws View Suppliers
4		[DIN] DIN 7964 (C) - 1990	Reduced shanke bolts and screws with coarse thread - Cross recessed raised cheese head View Suppliers
5		[GB] GB /T 822 - 2000	Cheese head screws with cross recess View Suppliers
6		[GB] GB /T 13806.1 (A) - 1992	Cheese Head Screws With Cross Recess For Fine Mechanics View Suppliers
7		[GB] GB /T 822 - 2016	Cheese Head Screws With Cross Recess View Suppliers
8		[ASME] ASME B 18.6.3 (T22-I/T22-IA) - 2013	Cross recessed raised cheese head screws
9		[ASME] ASME B 18.6.3 (T28-I/T28-IA) - 2013	Cross recessed raised cheese head screws
10		[DIN] DIN 34813 - 1999	Plastic Cross Recessed Cheese Head Screws
11		[ASME/ANSI] ASME/ANSI B 18.6.3 (T22) - 2010	Cross Recessed Raised Cheese Head Machine Screws
12		[DIN EN ISO] DIN EN ISO 7048 - 2011	Cross-Recessed Cheese Head Screws
13		[BS] BS 450 - 1958	Cross Recessed Raised Cheese Head Screws with B.S.W. & B.S.F. Threads [Table 7]
14		[JIS] JIS B 1111 (JA7) - 2017	Cross Recessed Raised Cheese Head Screws
15		[JIS] JIS B 1111 (A5) - 2006	Cross Recessed Raised Cheese Head Screws
16		[GB] GB 945 - 1976	Cross Recessed Fillister Head Screws
17		[JIS] JIS B 1111 (A5) - 1996	Cross recessed raised cheese head screws
18		[NF] NF E 25-149 - 1998 (R2004)	Cross Recessed Cheese Head Screws
19		[JIS] JIS B 1111 (T14) - 2017	Cross Recessed Cheese Head Screws