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Unit:mm

Cross recessed round head triangle lock self-tapping screws

SJ 2831 - 1987

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原电子工业部SJ 2831 - 1987 SJ2831 2831SJ Cross recessed round head triangle lock self-tapping screws
Screw Thread
d
ST3 ST4.0
P Pitch
a max
dk max
min
k max
min
Socket No.
M max
y Ref.
dp max
min
1.06 1.41
1.06 1.41
6.4 8.5
5.9 8
2.6 2.85
2.3 2.55
2 2
3.7 4
2.1 2.8
2.25 3
2.05 2.8
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