China Hiboo Long Life Carbide Endmill Drill End Mills for Metal, Find details about China Drill End Mills, Endmill from Hiboo Long Life Carbide Endmill Drill End Mills for Metal
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.