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Square Recessed Flat Countersunk Head Particle Board Screws

YJT 4078 (DIN 7505)

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企标YJT 4078 (DIN 7505) YJT4078 4078YJT Square Recessed Flat Countersunk Head Particle Board Screws
For Nominal Thread Diameter
2.5 3 3.5 4 4.5 5 6
d max
min
P pitch ±10%
a max
dk max=nominal size
min
k
r max
Socket No.
M
t max
min
2.5 3 3.5 4 4.5 5 6
2.25 2.75 3.2 3.7 4.2 4.7 5.7
1.1 1.35 1.6 1.8 2 2.2 2.6
2.1 2.35 2.6 2.8 3 3.2 3.6
5 6 7 8 9 10 12
4.7 5.7 6.64 7.64 8.64 9.64 11.57
1.4 1.8 2 2.35 2.55 2.85 3.35
1.5 1.5 1.8 2 2.2 2.5 2.5
0 0 1S 2S 2S 2R 3R
1.78 1.78 2.31 2.84 2.84 2.84 3.38
0.97 0.97 1.4 1.61 1.61 1.91 2.42
0.71 0.71 1.01 1.21 1.21 1.52 2.03

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