1)Carbide drill 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 ... also can supply spotting drill,center drill,taper shank drill,1/2" parallel shank drill,solid carbide drill etc. Carbide drill bit