Ridgid® 52875 Hole Saw, Variable Pitch, Series M54, 2-1/8 in dia, 1-1/8 in Cutting Depth, 3/5 TPI, M3 HSS Cutting Edge

Ridgid® hole saw, variable pitch, series: m54, 2-1/8 in dia, 1-1/8 in cutting depth, 3/5 TPI, M3 HSS cutting edge, bi-metal body, 80 to 240 RPM speed, applicable materials: wood, mild steel, tool steel, stainless steel, cast iron, brass and aluminum.

Features

• Bi-metal construction with teeth made from specially hardened type M3 high speed steel
• The varying teeth height and gullet sizes result in much faster cutting and longer life
• Positive tooth rake