Ridgid 52985 M121 High Speed Steel Hole Saw

Variable Pitch Hole Saws
Outperform and outlast traditional standard pitch models. 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. For
wood; mild, tool and stainless steels; cast iron; brass and aluminum. 51 sizes
from 9⁄16” (14mm) to 6” (152mm).

• Depth of cut: 11⁄8” (28 mm).
• Use RIDGID Thread Cutting Oil on all metal except cast iron.