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(Non-preferred) dimensions in parentheses.

Hexalobular Socket Raised Countersunk Head Screws

GB /T 2674 - 2017

Display drawing:

国标GB /T2674 - 2017 GB2674 2674GB Hexalobular Socket Raised Countersunk Head Screws
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.
Thread Size
d
M2 M2.5 M3 (M3.5) M4 M5 M6 M8 M10
P Pitch
a max
dk Theoretical max
Actual max=nominal size
min
f
k max=nominal size
r max
R
x max
Socket No. Socket No.
A Ref.
t max
min
0.4 0.45 0.5 0.6 0.7 0.8 1 1.25 1.5
0.8 0.9 1 1.2 1.4 1.6 2 2.5 3
4.4 5.5 6.3 8.2 9.4 10.4 12.6 17.3 20
3.8 4.7 5.5 7.3 8.4 9.3 11.3 15.8 18.3
3.5 4.4 5.2 6.94 8.04 8.94 10.87 15.37 17.78
0.5 0.6 0.7 0.8 1 1.2 1.4 2 2.3
1.2 1.5 1.65 2.35 2.7 2.7 3.3 4.65 5
0.5 0.6 0.8 0.9 1.0 1.3 1.5 2.0 2.5
4 5 6 8.5 9.5 9.5 12 16.5 19.5
1 1.1 1.25 1.5 1.75 2 2.5 3.2 3.8
6 8 10 15 20 25 30 45 50
1.75 2.4 2.8 3.35 3.95 4.5 5.6 7.95 8.95
0.77 1.04 1.15 1.53 1.8 2.03 2.42 3.31 3.81
0.63 0.91 0.88 1.27 1.42 1.65 2.02 2.92 3.42
Weight of per 1000 steel products(≈kg)
- - - - - - - - -
Length of Thread b min
- - - - - - - - -
③,ds ≈ pitch diameter or major diameter of thread