Version:
1/4 inch hexagon shank to DIN 3126 C 6.3.
Advantage:
Quick and uncomplicated changes between drill, countersink, and screw bits.
Application:
Ideal for repair and assembly work in mobile situations.
1 tool for 3 operations:
drill tapping hole − tap thread − deburr / countersink.
For use in power drills with forward and reverse drive.