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(Non-preferred) dimensions in parentheses.

Hexalobular Socket Head Cap Thread Rolling Screws

GB /T 6564.1 - 2014

Display drawing:

国标GB /T6564.1 - 2014 GB6564.1 6564.1GB Hexalobular Socket Head Cap Thread Rolling Screws
Nominal Length L Tips:seclect Nominal Length L and get Thread length.
Thread Size
d
M2 M2.5 M3 M4 M5 M6 M8 M10 M12
P Pitch
a max
b min
dk max For plain heads
For knurled heads
min
k max
min
Socket No.
A
t max
min
x max
r min
0.4 0.45 0.5 0.7 0.8 1 1.25 1.5 1.75
0.8 0.9 1 1.4 1.6 2 2.5 3 3.5
25 25 25 38 38 38 38 38 38
3.8 4.5 5.5 7 8.5 10 13 16 18
3.98 4.68 5.68 7.22 8.72 10.22 13.27 16.27 18.27
3.62 4.32 5.32 6.78 8.28 9.78 12.73 15.73 17.73
2 2.5 3 4 5 6 8 10 12
1.86 2.36 2.86 3.82 4.82 5.7 7.64 9.64 11.57
6 8 10 20 25 30 45 50 55
1.75 2.4 2.8 3.95 4.5 5.6 7.95 8.95 11.35
0.84 1.04 1.27 1.8 2.03 2.42 3.31 4.02 5.21
0.71 0.91 1.01 1.42 1.65 2.02 2.92 3.62 4.82
1 1.1 1.25 1.75 2 2.5 3.2 3.8 4.4
0.1 0.1 0.1 0.2 0.2 0.25 0.4 0.4 0.6
Length of Thread b
- - - - - - - - -

Suppliers

Best price if from GlobalFastener.com.
Suzhou Hanlinyu Precision Hardware Co., Ltd.
  • Amy Li

  • +86-13771867939/13771793559

  • +86-512-65868465

  • Material: Carbon steel, Stainless steel; Grade: 8.8; Specifications: M2-M12