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Hexagon socket button head screws

GB /T 70.2 - 2008

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国标GB /T70.2 - 2008 GB70.2 70.2GB Hexagon socket button head screws

 *Models with different eras.

Thread Size
d
M3 M4 M5 M6 M8 M10 M12 M16
P Pitch
a max
min
da max
dk max
min
e min
k max
min
r min
s Nominal Size
max
min
t min
w min
Minimum tensile load(N) 8.8
10.9
12.9
0.5 0.7 0.8 1 1.25 1.5 1.75 2
1 1.4 1.6 2 2.5 3 3.5 4
0.5 0.7 0.8 1 1.25 1.5 1.75 2
3.6 4.7 5.7 6.8 9.2 11.2 14.2 18.2
5.7 7.60 9.50 10.50 14.00 17.50 21.00 28.00
5.4 7.24 9.14 10.07 13.57 17.07 20.48 27.48
2.303 2.873 3.443 4.583 5.723 6.863 9.149 11.429
1.65 2.20 2.75 3.3 4.4 5.5 6.60 8.80
1.40 1.95 2.50 3.0 4.1 5.2 6.24 8.44
0.1 0.2 0.2 0.25 0.4 0.4 0.6 0.6
2 2.5 3 4 5 6 8 10
2.08 2.58 3.08 4.095 5.14 6.14 8.175 10.175
2.02 2.52 3.02 4.02 5.02 6.02 8.025 10.025
1.04 1.3 1.56 2.08 2.6 3.12 4.16 5.2
0.2 0.3 0.38 0.74 1.05 1.45 1.63 2.25
3220 5620 9080 12900 23400 37100 53900 100000
4180 7300 11800 16700 30500 48200 70200 130000
4910 8560 13800 19600 35700 56600 82400 154000
①,emin=1.14smin
②,GB/T 3098 . 1 specifies 80% of the value .

Suppliers

Best price if from GlobalFastener.com.
Suzhou Yongchuang Fastener Factory
  • Mr. Tang

  • +86-15298892886

  • +86-512-66700967

  • Material: stainless steel, carbon steel; Nominal diameter: M1-M14; Nominal length: 5-400mm
Suzhou Hanlinyu Precision Hardware Co., Ltd.
  • Amy Li

  • +86-13771867939/13771793559

  • +86-512-65868465

  • Material: Carbon steel, Stainless steel; Grade: 8.8; Specifications: M3-M16

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