China High Quality Cheap Prise Straight Twist Drill Bit Customized, Find details about China Drill Bit, End Mill from High Quality Cheap Prise Straight Twist Drill Bit Customized
Drill bits are cutting tools used to create cylindrical holes, almost always of circular cross-section. Bits are held in a tool called a drill, which rotates them and provides torque and axial force to create the hole. Specialized bits are also available for non-cylindrical-shaped holes.