Hardened cutting edge (6tpi alternate set) welded to a tough alloy steel body Bonded construction reduces possibility of shattering For use with ferrous and non ferrous metals, plastics and wood to a depth of 32mm 14 to 30mm dia saws require a 6.5mm arbour 32 to 152mm dia saws require a 9.5mm arbour Arbours, pilot drills and core removal tools available separately