Bosch HSS Bi-metal Hole Saws - Bosch 2608594199, This HSS bi-metal 20mm progressor hole saw benefits from Bosch's innovative Power Change adaptor system.
It is suitable for use on steel, cast iron, stainless steel, aluminium, bronze, copper, PVC, acrylic glass, and wood.
Bosch 2608594199 Progressor for Wood & Metal Holesaw Power Change Ø 20 mm