Ridgid 52980 Hole Saw, M114 Hs Reg

Ridgid 52980 Model M114 4 1/2" Bi-Metal Variable Pitch Hole Saw Outperform and Outlast traditional standard pitch models. Bi-metal construction With Teeth made from pecially hardened type M3 High speed Steel. The varying Teeth height and gullet Sizes result in much faster cutting and longer life. For wood; mildtool and stainless Steels; cast iron; Brass and aluminum.