Hexalobular (6 Lobe) socket button head screws, ~ISO 7380

Socket button head screws, Torx head. Strength class 8.8.

d1M2M2,5M3M4M5M6M8
d2 max3.54.75.77.69.510.514
k max1.31.51.652.22.753.34.4
t max0.80.9211.41.61.92.6
A ∼22.42.83.94.55.66.8
Bit No.T6T8T10T20T25T30T40