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  • M2
  • M2.5
  • M3
  • (M3.5)
  • M4
  • M5
  • M6
  • M8

17

  • 4
  • 5
  • 6
  • 8
  • 10
  • 12
  • 14
  • 16
  • 20
JIS B 1111 JA3 - 2017 Cross Recessed Pan Head Screws
Thread Size
d
M2
P Pitch
Socket No.
dk max
min
k Nominal Size
max
min
m Ref.
b Ref.
Penetration depth 槽深 max
min
r min
R
0.4
1
3.5
3.1
1.3
1.4
1.2
2.2
8
1.01
0.6
0.1
4.5