Greenlee® 825-3-5/8 Variable Pitch Variable Pitch Hole Saw, 3-5/8 in Dia, 1- 5/8 in D Cutting, Bi-Metal Cutting Edge, 7/16 in Arbor | State Electric
Milwaukee 3-5/8 in. Hole Dozer Bi-Metal Hole Saw 49-56-9642 - The Home Depot
Amazon.com: LANIAKEA 3-5/8-Inch Bi-Metal Hole Saw 92MM M42 Annular Hole Cutter HSS Variable Tooth Pitch Holesaw Set with Arbor Blue for Home DIYer : Tools & Home Improvement
Milwaukee 49-56-9030 3-5/8" Big Hawg Hole Saw Blade
Century Drill & Tool 3-5/8 in. Hole Saw, Bi-Metal, Shark Tooth at Tractor Supply Co.