... bit,hss drill bit 2)Material:Hss-co,hss,carbide 3)Type:left and right hand 4)Point angle: ... 110,118,135 degre Hss drill bit,carbide drill bitFeature1.Size:standard 0.5mm-20mm or special as ... requrie2.Material:hss,hss-co,carbide3.Coated:TIN,Bright,Tialn,black oxide...4.Type:left hand ... ,taper shank drill,1/2" parallel shank drill,solid carbide drill etc. Carbide drill bit