RUKO HSS Bi-Metal Hole Saws - RUKO 106019 B, This 19mm RUKO HSS bi-metal hole saw has varied tooth spacing and is suitable for unalloyed steel (up to 700 N/mm² strength), non-ferrous and light metals, plastics, plasterboard and light building boards, fibreboard, plywood and wood. It is particularly suitable for use with hand drills, pillar drills and lathes. RUKO 106019 HSS Bi-Metal Hole Saw 19mm
