GB /T 70.2 - 2015 Hexagon Socket Button Head Screws


Unit: 毫米(mm)
Weight Calculator
L
Thread Size
d
M3 M4 M5
P Pitch
da max
dk max
min
d1
ds max
min
dw min
e min
k max
min
r1 min
r2 min
r3 max
min
s Nominal Size
max
min
t min
w min
Minimum tensile load(N) 08.8
010.9
012.9/012.9/12.9
070③
080
0.5 0.7 0.8
3.6 4.7 5.7
5.7 7.60 9.50
5.4 7.24 9.14
2.6 3.8 5.0
3 4 5
2.86 3.82 4.82
5.00 6.84 8.74
2.303 2.873 3.443
1.65 2.20 2.75
1.40 1.95 2.50
0.10 0.20 0.20
0.30 0.40 0.45
3.70 4.60 5.75
3.30 4.20 5.25
2 2.5 3
2.08 2.58 3.080
2.020 2.52 3.020
1.04 1.3 1.56
0.20 0.30 0.38
3220 5620 9080
4180 7300 11800
4910 8560 13800
2810 4910 7950
3220 5620 9080
Thread Length
b
- - -
①,emin=1.14smin
②,GB/T 3098 . 1 specifies 80% of the value Fm.min .
③,GB/T 3098 . 6 specifies 80% of the value Fm.min .
Alternative history GB /T 70.2 - 2000 GB /T 70.2 - 2008 GB /T 70.2 - 2015
Equivalent standard
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.
Suppliers
Best price if from GlobalFastener.com
  • Suzhou Yongchuang Fastener Factory
  • Contact: Mr. Tang
    Cellphone: +86-15298892886
    QQ: 点击这里给我发消息546348066
    email: syjgjsz@163.com
    Material: stainless steel, carbon steel; Nominal diameter: M1-M14; Nominal length: 5-400mm
  • Suzhou Hanlinyu Precision Hardware Co., Ltd.
  • Contact: Amy Li
    Cellphone: 86-13771867939
    QQ: 点击这里给我发消息402398463
    email: 402398463@qq.com
    Material: Carbon steel, Stainless steel; Grade: 8.8; Specifications: M3-M16

    I can supply
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