Raised countersunk tapping screw six lob drive

d12.93.53.94.24.85.56.3
d2 max5.56.87.58.19.510.812.4
k~1.72.12.32.533.43.8
f~0.91.21.31.41.51.72
Bit No.T8T10T15T20T25T25T30