Tecwerk Keyhole saw saw diameter 30 mm cutting depth 38 mm 4/6 combined tooth HSS-Bi-met

HSS bi-metal. The break-proof design of the keyhole saws makes them perfect for cutting round holes in practically all machinable materials, including cast iron, copper, bronze, aluminium and wood. All dimensions have 4/6 combination-tooth and can be used up to a cutting depth of 38 mm. The associated mounting shanks enable quick and easy clamping in hand-held and stationary drills Supplied without adapter shank