The Drill Bits Are Made From Hss (Hi Speed Steel) In A Bright Finish. The Drill Bits Are Fully Precision Ground At 135&Deg;
With A Split Point. The Drill Bits Can Also Be Used To Drill Either Wood Or Metal.
Sharpening:
The Drill Bits Are Re Sharpenable Several Times. We Recommend The Following
Machines As It Will Sharpen 135�� Hss&Nbsp; Split Point Drill Bits With Ease: