GB /T 5283 - 1985 Slotted countersunk head tapping screws


Unit: mm
Nominal Length L Tips:seclect Nominal Length L and get Weight .
Thread Size
ST2.2 ST2.9 ST3.5 ST4.2 ST4.8 ST5.5 ST6.3 ST8 ST9.5
P Pitch
a max
dk max
min
k max
n min
max
t min
max
y Ref. Type C
Type F
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
3.8 5.5 7.3 8.4 9.3 10.3 11.3 15.8 18.3
3.5 5.2 6.9 8 8.9 9.9 10.9 15.4 17.8
1.1 1.7 2.35 2.6 2.8 3 3.15 4.65 5.25
0.56 0.86 1.06 1.26 1.26 1.66 1.66 2.06 2.56
0.7 1 1.2 1.51 1.51 1.91 1.91 2.31 2.81
0.4 0.6 0.9 1 1.1 1.1 1.2 1.8 2
0.6 0.85 1.2 1.3 1.4 1.5 1.6 2.3 2.6
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
Weight of per 1000 steel products(≈kg)
- - - - - - - - -
Alternative history
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