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Click Specification

Unit:mm

Hexagon Flange Head Tapping Screws

Q 270

Display drawing:

汽标代号Q 270 Q270 270Q Hexagon Flange Head Tapping Screws
Screw Thread
d
ST2.9 ST3.5 ST4.2 ST4.8 ST5.5 ST6.3
P Pitch
a max
c min
dc max
min
e min
k max
k1 min
r1 min
r2 max
s max=nominal size
min
y Ref. Type C
Type F
1.1 1.3 1.4 1.6 1.8 1.8
1.1 1.3 1.4 1.6 1.8 1.8
0.4 0.5 0.6 0.6 0.8 1
6.4 7.5 8.5 10.0 11.2 12.8
5.9 6.9 7.8 9.3 10.3 11.8
4.27 5.36 5.92 7.55 7.55 8.66
3.2 3.8 4.3 5.2 6 6.7
1.25 1.6 1.8 2.2 2.5 2.8
0.1 0.1 0.2 0.2 0.2 0.3
0.2 0.2 0.2 0.3 0.3 0.4
4.00 5.00 5.50 7.00 7.00 8.00
3.82 4.82 5.32 6.78 6.78 7.78
2.6 3.2 3.7 4.3 5 6
2.1 2.5 2.8 3.2 3.6 3.6
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ASME B 18.6.3 (T32+T40) - 2013 		Plain and Slotted Hex Washer Head Tapping Screws - Type AB and ABR
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18 Hexagon Head Tapping Screws with Flange [GB]
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23 Hexagon Washer Head Tapping Screws [JIS]
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JIS B 1127 - 2015 		Hexagon Flange Head Tapping Screws
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JIS B 1127 - 1995 		Hexagon Head Self-Tapping Screws with Flange
29 Hexagon Flange Head Tapping Screws [GB]
GB /T 16824.2 - 2016 		Hexagon Flange Head Tapping Screws
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GB /T 16824.1 - 1997 		Hexagon Head Tapping Screws with Collar
31 ISO Metric Hexagon Head Tapping Screws with Washers [AS]
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33 Hexagon Flange Head Tapping Screws [KS]
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YJT 4064 (WN1447C) 		Hexagon Washer Head Tapping Screws