Fafeicy 5Pcs High Speed Steel Center Drill Bits, 1.5/2/2.5/3/4mm, 60 Angle, for Metal, Wood, Aluminum,

【High Quality】The center drill bit made from high speed steel, these center drill bits are of good wear resistance, high-speed cutting and high hardness. 【Practical】Combined drill widely used on lathe machines, these center drill bits can cut easily and remove chips smoothly. Suitable for metal, such as cast iron, aluminium, copper, alioy, and plastics, wood, etc. 【60° Double Ended】Mill center drills have double ended, standard 60 degree included angle, used for centering work ends, where the work piece is to be revolved on machine centers. 【5 Size】There are total 5 pieces (1.5/2/2.5/3/4mm) center bits in this set that can be used to drill holes in different sizes. 【Application】These center drill bits are used in metalworking to provide a starting hole for a larger-sized drill bit. They can also be used to make a conical indentation in the end of a workpiece in which to mount a lathe center.