STARRETT Fast Cut Hole Saw 38mm (1-1/2") FCH0112

Hardened cutting edge (6tpi alternate set) welded to a tough alloy steel body.
Bonded construction reduces possibility of shattering.
For use with cast iron, tool and stainless, steel, brass, bronze, aluminium, plastics and wood to a depth of 32mm.
6.5mm arbor required for hole saw diameters 14 to 30mm and 9.5mm arbor for 32 to 152mm hole saw diameters