GB /T 70.4 - 2015 Hexagon Socket Button Head Screws with Collar

Unit: 毫米(mm)

Thread Size
d

P	Pitch
h	max
h	min
d_c	max
d_c	min
d_k	max
d_k	min
d_s	max
d_s	min
k	max
k	min
s ^①	Nominal Size
	max
	min
t	min
e ^①	min
Minimum tensile load(N) ^②	8.8
Minimum tensile load(N) ^②	10.9

0.5	0.7	0.8
0.7	0.8	1
0.55	0.65	0.8
6.9	9.4	11.8
6.32	8.82	11.1
5.2	7.2	8.8
4.9	6.8	8.4
3	4	5
2.86	3.82	4.82
1.65	2.20	2.75
1.40	1.95	2.50
2	2.5	3
2.080	2.58	3.080
2.020	2.52	3.020
1.04	1.3	1.56
2.303	2.873	3.443
3220	5620	9080
4180	7300	11800

Thread Length
b

①,e_min=1.14s_min; Combined gauging of socket dimensions and , see GB/T 70.5
②,80% of the values specified in GB/T 3098.1

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 70.2 - 2000

Hexagon Socket Button Head screws
Suppliers(2)

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

Metric heaxagon socket round head screws

ASME/ANSI B 18.3.4M - 1986 (R2008)

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

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 (T11) - 2012

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

ASME B 18.3 - 2003 (R2008)

Hexagon Socket Button Head Cap Screws

GB	GB /T 70.4
ISO	ISO 7380-2
DIN	DIN EN ISO 7380(-2)
Some of the above standards may be approximate equivalent. If there is any objection, the standard original shall prevail.