... D.O.P: 25mm M2&M35 material coating available one-touch shank 19.05mm 3/4" D.O.P: ... 12-100mmD.O.C 30,50,75,100mmweldon shank/one-touch shank 19.05mm 3/4",1 1/4" ... chip removal and friction resistanceHandle for fast interface.Apply to Nitto, Alfra, BDS, Ruko, drilling rig and ... other magnetic drill machine.Also applies to all types of vertical drilling machine, radial drilling machine ...