Manufactured from bi-metal material with hardened teeth made from high speed steel and a variable tooth pitch for fast smooth cutting. Bi-metal holesaws offer increased safety as they will not shatter under load.

They are ideal for use on a wide variety of materials including wood, chipboard, plywood, non laminated plastics, plasterboard and non ferrous metals.

Suitable for use in most variable speed power drills.

Diameter: 21mm