1.Type:twist drill bit 2.Material:HSS,HSS-E,etc 3.Coating:Tin,Bright,Ticn,etc 4.Complete in sizes HSS twist drill bit Features: 1.Drill bits:twist drill bit2.Material:HSS,HSS-E etc3.Coating:Tin,Bright,Ticn,etc4.Complete in specification5.Type:taper shank drill6.Size:Standard or as require If you have any question, please feel free to contact with us.