Ruko HSS Core Drill Bit with 3/4 inch Weldon Shank, CBN Ground, Bright Finish, 18.0 mm Diameter, 63.0 Length, R108218

Amazon

Used for Machines: RS5e / RS10 / RS25e / RS40e / RS125e / RS126e / RS140e Cutting direction: Right hand cut Shank: Weldon shank Cutting depth: 30.0 mm Shank diameter: 19.0 mm, Manufacturer: RUKO GmbH Präzisionswerkzeuge

ManoMano

This 18 mm RUKO drill bit is ideal for making pilot holes. It is sold individually.