BOSSMAN (BDS432) 4-32mm HSS Steel Step Cone Titanium Drill Bit
•Made by HSS with Heat Treatment and Titanium Nitride Coating
•Increases the hardness and makes the bit last up to 4-5times longer than ordinary drill bit.
•Drill round holesin most metals plastic, wood and etc.
•Designed to auto deburr the hole cut
•Use on electric drills and press drill
