7pcs M42 HSS High Speed Steel Cobalt Spotting Drill Bits Set Round Shank 90 Degree Drilling Chamfering Tool

features of high temperature and abrasion resistance, this set is more useful.
Features:
7pcs spotting drills with 90 degree angle.
With high temperature and abrasion resistance.
Positioning and chamfering can be finished by one time.
The holes made by these drills are not easy to cause edge breakage.
High quality high speed steel drills have long service life.