Bosch Expert Construction 54mm holesaw delivers long life and strength for demanding applications on site. Built with Bosch Carbide Technology, it features ground, sharpened carbide teeth for durability and precision. Large slots enable efficient chip removal for fast cutting through materials from brick to wood and particle boards. For use with the Bosch PowerChange Plus keyless arbor with 105mm pilot drill bit (sold separately). Cuts Softwood, Chipboard, Brick, Soft Tiles, Fibre Plastics, GFK & CFK PowerChange Plus Arbor Steel Slotted Barrel to Aid Removal of Debris For Use with 3-Jaw Chuck Machines on Rotary Action Bosch Carbide Technology Cuts Softwood, Chipboard, Brick, Soft Tiles, Fibre Plastics, GFK & CFK PowerChange Plus Arbor Steel Slotted Barrel to Aid Removal of Debris For Use with 3-Jaw Chuck Machines on Rotary Action Bosch Carbide Technology