standard and non standard sizes
Non-Customized
U Drill, CNC Drill Bits
Tungsten Carbide
Metal Drilling, CNC Indexable Drill
Carbide Milling Drill Bit Inserts
Metal Drilling
Yg10,Yg10X,etc
High Speed Drilling
a Variety of Drill Heads Are Available
Innovation Self-Lock Connecting System
Interchangeability and Flexibility
Grewin Brand or OEM
Each 1 Piece in a Plastic Case