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.
failed miserably on aluminum 6061 3/16; one hoped that it would work at least once; Being Starrett, I was amazed he didn't go that far. Not sure if I should keep it for wood projects, get a refund, or just throw it away.