GB /T 15856.4 - 2002Hexagon Flange Head Drilling Screw with Tapping Screw Thread

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GB /T 15856.4 - 2002

Unit: mm

GB /T 15856.4 - 2002 Hexagon Flange Head Drilling Screw with Tapping Screw Thread

Unit: mm

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GBT 15856.4_ST2.9X9.5

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GB /T 15856.4 - 2002 Hexagon Flange Head Drilling Screw with Tapping Screw Thread

For Nominal Thread Diameter

ST2.9

P	Pitch
a	max
d_c	max
d_c	min
c	min
s	max=nominal size
s	min
e	min
k	max=nominal size
k	min
k_w	min
r	max
Drilling range(thickness)	≥
Drilling range(thickness)	≤

1.1
1.1
6.3
5.8
0.4
4
3.82
4.28
2.8
2.5
1.3
0.4
0.7
1.9