Titanium Carbo-Nitride (HSSE-TiCN) coated drill bit variety pack has a specialized coating that is extremely hard to keep its cutting edge sharper longer when used on harder steels. These bits are the best standard spot weld bit available.
PVD Titanium coating with a Carbon Nitride finish. Highest cutting speed used for uninterrupted cuts and long lifetime for best profitbility.
This kit includes one 6x70 mm, three 8x80 mm, and one 10x90 mm longer drill bit for chuck style drill. Quantity of 5 bits total.
