Short step drill bit
ø 4.51 - 26.5 mm | Type 122
botek Präzisionsbohrtechnik
Twin fluted stepped solid drilling tool with solid carbide head
diameter range: 4.510 - 26.500 mm
Gundrilling process
The characteristic of the 2-flute drilling process is that coolant is fed through the coolant holes in the tool and exits along with the chips in the flutes from the drilled hole. The coolant also provides lubrication to the drill periphery.
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