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Hexalobular Socket Cheese Head Thread Rolling Screws

DIN 7500 (OE) - 2009

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德标DIN 7500 (OE) - 2009 DIN7500 7500DIN Hexalobular Socket Cheese Head Thread Rolling Screws
Screw Thread
d
M2 M2.5 M3 M4 M5 M6 M8 M10 M12
P Pitch
b
dk Max. Knurled Heads
Plain Head
min
k max
min
Socket No.
A
t max
min
0.4 0.45 0.5 0.7 0.8 1 1.25 1.5 1.75
16 17 18 20 22 24 28 32 36
3.8 4.5 5.5 7 8.5 10 13 16 18
3.98 4.68 5.68 7.22 8.72 10.22 13.27 16.27 18.27
3.62 4.32 5.32 6.78 8.28 9.78 12.73 15.73 17.73
2 2.5 3 4 5 6 8 10 12
1.86 2.36 2.86 3.82 4.82 5.7 7.64 9.64 11.57
6 8 10 20 25 30 45 50 55
1.75 2.4 2.8 3.95 4.5 5.6 7.95 8.95 11.35
0.84 1.04 1.27 1.8 2.03 2.42 3.31 4.02 5.21
0.71 0.91 1.01 1.42 1.65 2.02 2.92 3.62 4.82
①,Material: The self-tapping screws must be made from cold extrusion steels. The core hardness must be 290 HV10 to 370 HV10. The surface hardness must be at least 450 HV0.3 after the heat treatment.