GB /T 13806.1 (C) - 1992 Cross Recessed Raised Countersunk Head Screws For Fine Mechanics


Unit: mm
国标GB /T13806.1 (C) - 1992 GB13806.1 1380 Cross Recessed Raised Countersunk Head Screws For Fine Mechanics
Nominal Length L Tips:seclect Nominal Length L and get Weight .
Screw Thread
d
M1.2 (M1.4) M1.6 M2 M2.5 M3
P Pitch
a
dk max
min
k max
min
f
R
r
Socket No.
M Ref.
Penetration depth min
max
0.25 0.3 0.35 0.4 0.45 0.5
0.5 0.6 0.7 0.8 0.9 1
2.2 2.5 2.8 3.5 4.3 5.5
2.16 2.46 2.7 3.4 4.16 5.36
0.7 0.7 0.8 0.9 1.1 1.4
0.6 0.6 0.7 0.76 0.96 1.26
0.25 0.3 0.3 0.4 0.4 0.45
2.5 2.8 3.2 4.3 4.9 5.2
0.1 0.1 0.1 0.15 0.15 0.2
0 0 0 0 1 1
1.5 1.6 1.7 1.8 2.6 2.7
0.7 0.7 0.8 0.9 1.1 1.2
0.9 0.9 1 1.1 1.4 1.5
Weight of per 1000 steel products(≈kg)
- - - - - -
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