Description
Drillco S & D Drill Bit 1/2″ Shank
The Drillco S & D Drill Bit 1/2″ Shank:
- Available in sizes from 33/64″ to 1″ by 64ths
- Cobalt S & D (Silver and Deming) fractional/Black & Gold bits
- Flute Length: 3″
- Overall length: 6″
- 118º split point reduces thrust and eliminates walking at the drill point
- Nitride surface treatment provides a hard, protective layer to the bits that increases hardness without increasing brittleness
- Harder than high speed steel (HSS)
- Body & clearance are black and gold surface treated to maximize lubricity
- Recommended for drilling stainless steel and other hard metals
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