... control advanced equipment,plenty experience timely delivery ISO90 Carbide Tipped Core Hole SawTungsten carbide tipped cutting teeth and pilot drill. ... 180mm (1"-7")Working Length: 107-550mmConnecting Rod For Hammer Core Drill bit(SDS Plus Shank, SDS Max, Long Hex, Square), Guided ... tipped pilot drill.Ideal for cutting wood, plastics, fibreglass, bricks, non-ferrous metal sheet, etc.Dia.33 - 113mm (1-5/ ...