

Easily switch between hole saws in seconds with spring-loaded pin-drive mechanism. Extensions allow for farther reach. Pilot bits offer additional cutting guidance/stability. Adapters help cut larger holes. Springs make slug removal faster. For use with hole saws cutting ferrous and nonferrous metals, woods, composites, and plastics.
Shank: 7/16" Hex
Thread: 5/8-18
Fits: Saws: 1-1/4" - 6-5/8"
Pilot Bit Size: 1/4" x 3-3/32"
Pin Drive: Yes