Irwin 373412BX Hole Saw, 4-1/2 in Dia, 1-9/16 in D Cutting, 3/8 in Arbor, 4/6 TPI, HSS Cutting Edge

Usually ships in 3-8 business days.

Variable depth gullets provide more efficient chip clearance, 4/6 variable pitch teeth for reduced noise and improved performance. Electron beam weld for stronger, longer-lasting teeth.