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Hexalobular Socket Countersunk Head Self Drilling Screws With Tapping Screw Thread

QC /T 874 - 2011

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汽标QC /T874 - 2011 QC874 874QC Hexalobular Socket Countersunk Head Self Drilling Screws With Tapping Screw Thread
Nominal Length L Tips:seclect Nominal Length L and get .
Screw Thread
d
ST2.9 ST3.5 ST4.2 ST4.8 ST5.5 ST6.3
a max
dk Theory max
Actual value max
min
k max
r max
Socket No.
A Ref.
t max
min
Drilling range(thickness)
1.1 1.3 1.4 1.6 1.8 1.8
6.3 8.2 9.4 10.4 11.5 12.6
5.5 7.3 8.4 9.3 10.3 11.3
5.2 6.9 8 8.9 9.9 10.9
1.7 2.35 2.6 2.8 3 3.15
1.2 1.4 1.6 2 2.2 2.4
10 15 20 25 25 30
2.8 3.35 3.95 4.5 4.5 5.6
0.91 1.3 1.58 1.78 2.03 2.42
0.65 1 1.14 1.39 1.65 2.02
0.7~1.9 0.7~2.25 1.75~3 1.75~4.4 1.75~5.25 2~6
Lg (min)
- - - - - -

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