Starrett dch021 Crown Perf. Bimetal Deep Cut 21 mm. Diam.

Aggressive material penetration and swarf clearance, removing the need to carry a constant and variable pitch Hole Saw Constructed of hardened steel and abrasion resisting high speed steel teeth with a tough alloy body and cap The complete Multi-Purpose Saw Cutting depth of 51 mm (2") Starrett designed Tooth geometry resulting in huge improvements in chip flow, Manufacturer: Starrett