Used but in great condition.
Union Twist Drill Co. 1-13/32" Taper Shank Twist Drill Bit
H.S. - 79
- High speed steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials.
- Oxide, also known as black oxide or steam oxide, is a surface treatment that prevents chip building, galling and welding on the workpiece. It is commonly used on low carbons, stainless steel and ferrous metals.
- Spiral flutes are constructed with a higher flute angle to remove chips more easily.
- Silver-Dimming