1.Type:HSS machine reamer 2.Material:hss,carbide 3.Flute:4F,6F 4.Size:standard or as require 5.Straight, spiral flute shank HSS machine reamerFeatures:1.Type:HSS machine reamer2.Material:hss,carbide3.Flute:4F,6F4.Size:standard or as require5.Straight-shank or spiral flute shankIf you have any question, please feel free to contact with us. HSS machine reamer,fluted reamer