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(Non-preferred) dimensions in parentheses.

Cross recessed countersunk head screws

GB 819 - 1976

Display drawing:

 *Models with different eras.

Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs
Default density g/cm3
Nominal Length L Tips:seclect Nominal Length L and get Weight Thread length.
Screw Thread
d
M2 M2.5 M3 M4 M5 M6 M8 M10 M12
P Pitch
D max
min
c
H
0.4 0.45 0.5 0.7 0.8 1 1.25 1.5 1.75
4 5 6 7.5 9 11 15 18 22
3.7 4.7 5.7 7.14 8.64 10.57 14.57 17.57 21.48
0.2 0.2 0.2 0.25 0.5 0.5 0.5 0.8 0.8
1.2 1.4 1.7 2 2.5 3 4 4.8 5.8
Weight of per 1000 steel products(≈kg)
- - - - - - - - -
Length of Thread b
- - - - - - - - -

Alternative history

Suppliers

Best price if from GlobalFastener.com.
Yuyao Hutson Metal Product Co., Ltd.
  • Ma Huazhen/Xu Tianyang

  • +86-13095941973, 18268663653

  • +86-574-62761228

  • Material: stainless steel, A2-70, A2-80, A4-70, A4-80, A2(302, 303, 304), A4(316), 410, 430; Complete specifications
Suzhou Yongchuang Fastener Factory
  • Mr. Tang

  • +86-15298892886

  • +86-512-66700967

  • Material: stainless steel, carbon steel; Nominal diameter: M1-M14; Nominal length: 5-400mm
GotopScrews International Co., Limited
  • Manager Zhuang

  • +86-13008864675

  • +86-755-89505088

  • Material: carbon steel, alloy steel, stainless steel, copper, aluminum, titanium; Specifications: M0.6~M6; Length: 1~60mm; Surface Treatment: galvanizing, nickel plating, zinc nickel alloy, electrophoresis, dacromet, CD grain, PVD, etc.
Shanghai Chengtai Hardware Manufacturing Co., Ltd.
  • Mr.Zhuge

  • +86-18916049888

  • +86-21-59742477/59740118

  • Material: stainless steel; Specification: complete; Surface treatment: according to customer requirement

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