Ideal Industries - Ideal 36-500 8pc Bi-Metal Hole Saw Kit

Bi-metal hole saws kits constructed from M42 high speed steel with 8% premium cobalt content, resulting in high-strength, greater wear resistance and less prone to chipping. Rigid solid steel back plate for clean true holes and longer tool life. Unique fleem ground teeth design results in improved performance and efficient chip removal. 4/6 variable pitch geometry cuts down on harmonic noise to minimize tooth strippage. Features: Constructed from M42 high speed steel with 8% premium cobalt content; Rigid solid steel back plate; 4/6 variable pitch geometry with unique fleem ground teeth design; Featuring a 1-7/8 in. depth of cut; Diamond sides provide quick plug removal (available on 7/8 in. to 6 in. hole saws); Cats eye openings on solid back plate(available in 2 in. to 6 in. hole saws)