1)Spotting drill bits,cutting tools 2)Size:3mm-20mm 3)Material:carbide,hss 4)Coated: ... angle:90/120 degree Spotting drill bits,drill bits,drilling tools,cutting tools Feature 1.Size:standard 3mm-20mm or as requrie2.Material ... degree5.Application material: Construction Steels,Mild Steels,Alloy Steels,Alloy Steels,Hardened Steels,Extra Hard Steels,Ductile Cast Iron,Mold Steels,Aluminum.6 ...