Hexalobular (6 Lobe) socket pan head machine screws, ISO 14583

d1M2M2,5M3M4M5M6M8
d2 max455.689.51216
k max1.62.12.43.13.74.66
t max0.771.041.271.661.912.423.18
a ∼1.752.42.83.954.55.67.95
Bit No.T6T8T10T20T25T30T45