1)Spotting drill bits,cutting tools 2)Size:3mm-20mm 3)Material:carbide,hss 4)Coated:TIN,Bright.. 5)Point angle:90/120 degree Spotting drill bits,drill bits,drilling tools,cutting tools Feature 1.Size:standard 3mm-20mm or as requrie2.Material:carbide,hss,hss-co3.Coated:TIN,Bright,Tialn,black oxide...4.Point angle:90/120 degree5.Application material: Construction Steels,Mild Steels,Alloy Steels, ...