GB /T 16824.2 - 2016 Hexagon Flange Head Tapping Screws


Unit: mm
Thread Size
ST2.2 ST2.9 ST3.5 ST4.2 ST4.8 ST5.5 ST6.3 ST8 ST9.5
P Pitch
a max
dc max
min
c min
s max=nominal size
min
e min
k max
y Ref. Type C
Type F
Type R
0.8 1.1 1.3 1.4 1.6 1.8 1.8 2.1 2.1
0.8 1.1 1.3 1.4 1.6 1.8 1.8 2.1 2.1
4.5 6.4 7.5 8.5 10.0 11.2 12.8 16.8 21.0
4.1 5.9 6.9 7.8 9.3 10.3 11.8 15.5 19.3
0.3 0.4 0.5 0.6 0.6 0.8 1.0 1.2 1.4
3.00 4.00 5.00 5.50 7.00 7.00 8.00 10.00 13.00
2.86 3.82 4.82 5.32 6.78 6.78 7.78 9.78 12.73
3.16 4.27 5.36 5.92 7.55 7.55 8.66 10.89 14.16
2.2 3.2 3.8 4.3 5.2 6 6.7 8.6 10.7
2 2.6 3.2 3.7 4.3 5 6 7.5 8
1.6 2.1 2.5 2.8 3.2 3.6 3.6 4.2 4.2
- - 2.7 3.2 3.6 4.3 5 6.3 -
Alternative history
Similar Standards
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