1.Type:Center drills 2.Material:HSS,HSS-E,etc 3.Coating:Tin,Bright,Ticn,etc 4.Complete in specification Tin coated Center drillsFeatures: 1.Drill bits:Tin coated Center drill bits2.Material:HSS,HSS-E,etc3.Coating:Tin,Bright,Ticn,etc4.Complete in specification5.Type:Center drill6.Size:Standard or as require If you have any question, please feel free to contact with us.