GB /T 70.2 - 2000 Hexagon Socket Button Head screws

Unit: 毫米(mm)

Thread Size
d

P	Pitch
a	max
	min
d_a	max
d_k	max
	min
e ^①	min
k	max
	min
r	min
s	Nominal Size
	max	12.9
		Other performance grades
	min
t	min
w	min
Minimum tensile load(N)	8.8
	10.9
	12.9

0.5	0.7	0.8
1	1.4	1.6
0.5	0.7	0.8
3.6	4.7	5.7
5.7	7.60	9.50
5.4	7.24	9.14
2.3	2.87	3.44
1.65	2.20	2.75
1.40	1.95	2.50
0.1	0.2	0.2
2	2.5	3
2.045	2.56	3.071
2.060	2.58	3.080
2.020	2.52	3.020
1.04	1.3	1.56
0.2	0.3	0.38
3220	5620	9080
4180	7300	11800
4910	8560	13800

①,e_min=1.14s_min。
②,GB/T 3098 . 1 specifies 80% of the value .

GB /T 70.2 - 2015

Hexagon Socket Button Head Screws
Suppliers(2)

GB /T 70.2 - 2008

Hexagon socket button head screws
Suppliers(2)

GB /T 70.4 - 2015

Hexagon Socket Button Head Screws with Collar

ISO 7380-1 - 2022

Hexagon Socket Button Head Screws
Suppliers(3)

ISO 7380-2 - 2022

Hexagon Socket Button Head Screws with Collar
Suppliers(3)

ISO 7380-1 - 2011

Hexagon Socket Button Head Screws
Suppliers(3)

ISO 7380-2 - 2011

Hexagon Socket Button Head Screws With Collar
Suppliers(3)

ISO 7380 - 2004

Hexagon Socket Button Head Screws
Suppliers(3)

ISO 7380 - 1997

Hexagon socket button head screws
Suppliers(3)

JIS B 1174 - 2017

Hexagon Socket Button Head Screws

JIS B 1174 - 2017

Hexagon Socket Button Head Screws With Collar

JIS B 1174 - 2006

Hexagon Socket Button Head Screws

JIS B 1174 - 1994

Hexagon socket button head screws

ASME/ANSI B 18.3 - 2003

Spline socket button head cap screws

ASME/ANSI B 18.3.4M - 1986 (R2008)

Hexagon Socket Button Head Cap Screws (Metric Series) (ASTM F835M / F879M / A1-70)

ASME/ANSI B 18.3.4M - 1986

Metric heaxagon socket round head screws

NF E 25-126 - 2004

Hexagon Socket Button Head Screws

BS 2470 - 1973

Hexagon Socket Round Head Screws - Unified Thread

YJT 4026

Hexagon Socket Flat Head Screw

YJT 4080

Hexagon Socket Button Head Screws

DIN EN ISO 7380 (-1) - 2011

Hexagon Socket Button Head Screws

DIN EN ISO 7380 (-2) - 2011

Hexagon Socket Button Head Screws with Collar

ASME B 18.3 - 2012

Hexagon Socket Button Head Cap Screws [Table 11] (ASTM F835 / F879)

ASME B 18.3 - 2003 (R2008)

Hexagon Socket Button Head Cap Screws

Suzhou Hanlinyu Precision Hardware Co., Ltd.
Contact:	Amy Li
Cellphone：	86-13771867939
QQ：	402398463
email：	402398463@qq.com
Material: Carbon steel, Stainless steel; Grade: 8.8; Specifications: M3-M16

Suzhou Yongchuang Fastener Factory
Contact:	Mr. Tang
Cellphone：	+86-15298892886
QQ：	546348066
email：	syjgjsz@163.com
Material: stainless steel, carbon steel; Nominal diameter: M1-M14; Nominal length: 5-400mm

GB	GB /T 70.2
ISO	ISO 7380(-1)
DIN	DIN EN ISO 7380(-1)
ASME/ANSI	ASME/ANSI B 18.3.4M
Some of the above standards may be approximate equivalent. If there is any objection, the standard original shall prevail.