<ul><li>Variable depth gullets provide more efficient chip clearance</li><li>46 variable pitch teeth for reduced noise and improved performance</li><li>Electron beam weld for stronger, longer-lasting teeth</li><li>Bi-metal construction for toughness and long life</li><li>Backed by the IRWIN lifetime guarantee. Made in the USA from global components</li></ul><br><br>Variable depth gullets provide more efficient chip clearance. 46 variable pitch teeth for reduced noise and improved performance. Electron beam weld for stronger, longer-lasting teeth. Bi-metal construction for toughness and long life. Backed by the IRWIN lifetime guarantee. Made in the USA from global components.

Irwin Tools 373015BX Single Bi-Metal Hole Saw with 15/16" BX