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Slotted countersunk raised head screws

QJ 2388 - 1992

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航天QJ 2388 - 1992 QJ2388 2388QJ Slotted countersunk raised head screws
Screw Thread
d
M2 M2.5 M3 M4 M5 M6
P Pitch
dk max
min
h max
min
t max
min
n max
min
k Ref.
0.4 0.45 0.5 0.7 0.8 1
4.4 5 5.8 8 9.5 11.5
4.1 4.7 5.5 7.64 9.14 11.07
1.8 2.1 2.4 3.1 3.6 4.3
1.55 1.85 2.15 2.8 3.3 4
0.96 1.06 1.35 1.75 2.05 2.45
0.8 0.9 1.1 1.5 1.8 2.2
0.64 0.74 0.96 1.25 1.45 1.75
0.5 0.6 0.8 1 1.2 1.5
1.3 1.4 1.7 2.2 2.5 3

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