BECOLLO 1/4 Inch Cobalt Drill Bit Set, M35 Jobber Length Twist Drill Bits,Suitable for Drilling in Hard Metal, Stainless Steel, Cast Iron,10 Pieces
- Made from cobalt(5%) High Speed Steel , increases the wear and heat resistance of drill bit, the life span of drill bit is prolonged..
- Fully Grinding Processing makes the surface of drill bit smoother, the friction can be reduced and the cutting speed is faster..
- 135° Split Point Design improves cutting speed while easy self-centering, prevent walking and skating across the workpiece surface.
- Perfect suitable for drilling in hard metals such as stainless steel and cast iron, and other softer material are also possible..
- 10pcs of 1/4" cobalt drill bit are packed in a plastic case for easy storage and carrying , manufactured in strict accordance with ANSI B94-11M..