7 Pcs Bi-Metal Hole Saw Kit

Bi-Metal Hole Saw Kit, 7 Pcs Hole Saw Set 7/8",1",1-1/8",1-1/4" and 1-1/2" Hole Saw with Mandrels for Metal, Wood, Plastic, PVC and Drywall   【Great Hole Cutting】 Premium high speed steel M42 with 8% cobalt GT 4/6 variable tooth configuration to provide clean and fast cutting in various materials. 1-7/8"(48mm) cutting depth. Strong impact wear resistance. Multiple sizes can be cut with this set. 【Features】Wide slot design on side walls increases visibility while cutting, and also helps chip evacuation. Turtle back tooth configuration design offers heavy duty cutting. Fleam ground for faster cutting and longer life. Two pilot drills are made of premium high speed steel for precise positioning and rapid drilling for longer service life. 【Quality】3/16"(5mm) thickness heavy duty backing plate eliminates need for drive plate. M42 Cobalt bi-metal construction provides 30% faster cutting than conventional saws. 0.05" kerf design prolongs battery life when used on cordless tools. 【Wide Applic