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DIN 251 Hexagon Socket Head with serrated flange Screws


Unit: 毫米(mm)
L
Thread Size
d
M4 M5 M6
P Pitch
dk
k
dc
c
s
t
Number of Teeth
0.7 0.8 1
6.78~7 7.72~8 9.7~10
3.82~4 4.82~5 5.7~6
8.8~9 10.7~11 12.3~12.6
1~1.2 1~1.2 1.3~1.5
3 4 5
2 2.5 3
18 20 24
per 1000 units ≈ kg(7.85kg/cm3)
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Best price if from GlobalFastener.com
  • Wenzhou Fengding Fastener Manufacture Co., Ltd.
  • Contact: Mr.Huang
    Cellphone: +86-18857755588 13676725866
    email: wzfdjgj@163.com
    Material: carbon steel,copper,Stainless steel;Surface treatment: according to customers' requirements; Grade: 4.8, 8.8, 10.9, 12.9; Nominal diameter: M3-M20; Nominal length: 5-300mm

    I can supply
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