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Click Specification

(Non-preferred) dimensions in parentheses.

Unit:mm

Hexalobular Lobular Socket Countersunk Head Screws

GB /T 2673 - 2007

Display drawing:

国标GB /T2673 - 2007 GB2673 2673GB Hexalobular Lobular Socket Countersunk Head Screws
Download CAD Model*

 *Models with different eras.

Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs
Default density g/cm3
×

Choose materials based on density.(g/cm3)

  • Carbon Steel 7.85
  • Stainless Steel 8.1
  • Stainless Steel 7.95
  • Stainless Steel 7.7
  • Titanium Alloy 4.5
  • Aluminum Alloy 2.8
  • Copper 8.89


Select here or enter material density on the calculation page.
Nominal Length L Tips:seclect Nominal Length L and get Weight Thread length.
Screw Thread
d
M6 M8 M10 M12 (M14) M16 M20
P Pitch
a max
dk max=nominal size
min
k max
r max
x max
Socket No.
A Ref.
t max
min
1 1.25 1.5 1.75 2 2 2.5
2 2.5 3 3.5 4 4 5
11.3 15.8 18.3 22 25.5 29 36
10.9 15.4 17.8 21.5 25 28.5 35.4
3.3 4.65 5 6 7 8 10
1.5 2 2.5 2.5 2.5 3 3
2.5 3.2 3.8 4.3 5 5 6.3
30 40 50 55 55 60 80
5.6 6.75 8.95 11.35 11.35 13.45 17.75
1.8 2.5 2.7 3.5 3.7 4.1 6
1.4 2.1 2.3 3.02 3.22 3.62 5.42
Weight of per 1000 steel products(≈kg)
- - - - - - -
Length of Thread b min
- - - - - - -
①,ds≈thread diameter

Alternative history

GB 2673 - 1986 GB /T 2673 - 2007 GB /T 2673.1 - 2018

Suppliers

Best price if from GlobalFastener.com.
Jiangsu BofanKe Precision Metal Technology Co., Ltd.

  • Director Tang

  • +86-15298892886/15262400870

  • +86-516-86839568

  • Material: stainless steel, carbon steel; Nominal diameter: M1-M14; Nominal length: 5-400mm
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