Lenox Lenox 30076-76L Vari-Tooth Design Hole Saw 4-3/4 Bi-Metal

Lenox Lenox 30076-76L Vari-Tooth Design Hole Saw 4-3/4 Bi-Metal Hole Dia: 4-3/4 ; M-2 high speed steel cutting edge; Tooth hardness Rc 63-65. Positive rake tooth; 3/16 / 5mm thick heavy backing plate; 1-1/2 / 38mm cutting depth; TUFF TOOTH™ design is reinforced to cut stronger and last longer; Patented VARI-TOOTH design resists tooth strippage; High speed steel teeth resist breaking and offer extended life; Thick backing plate with holes for drive pins resists damage due to high torque;