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T-type TORX raised countersunk head machine screws

JASO F 116 - 2005

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日本汽车工业协会标准JASO F116 - 2005 JASO116 116JA T-type TORX raised countersunk head machine screws
Nominal Length L Tips:seclect Nominal Length L and get Thread length.
Thread Size
d
M2 M2.5 M3 M4 M5 M6 M8
P pitch
Socket No.
A
dk max=nominal size
min
k max=nominal size
min
c
f
t max
min
r max
0.4 0.45 0.5 0.7 0.8 1 1.25
T6 T8 T10 T20 T25 T30 T40
1.727 2.367 2.794 3.911 4.483 5.575 6.705
4 5 6 8 10 12 16
3.6 4.6 5.5 7.5 9.4 11.3 15.2
1.2 1.45 1.75 2.3 2.8 3.4 4.4
1 1.25 1.45 2 2.5 3 4
0.2 0.2 0.25 0.3 0.3 0.4 0.4
0.4 0.55 0.7 0.9 1.2 1.4 1.8
0.65 0.85 1.05 1.4 1.6 1.9 2.6
0.5 0.7 0.85 1.2 1.4 1.65 2.35
0.2 0.25 0.3 0.4 0.5 0.6 0.8
Length of Thread b
- - - - - - -
①,ds ≈ pitch diameter of thread.
②,a ≤ 2P;x ≤ 2P