... Degrees 3.Made of Carbide, HSS, HSS-Co Drill bits, center drill bitsCutting diameter: 1.0mm-5.0mm with length 30mm ... End Mill, Ball & Nose End Mill, Corner Radius End Mill, Roughing End Mill, Twist Drill, Center Drill, Spotting Drill, Saw Blade, Reamer ... Rod, Tool Bit, Carbide Tip, Ejector Pin, Punch, Mold Etc. Center Drill Bits Made of Carbide and HSS and HSS-Co