Start every hole saw cut with total accuracy using the Milwaukee 4932479468 pilot drill bit. Designed with a ground hss tip, it bites directly into the material to prevent your hole saw from slipping or wandering off mark. With a solid 6 mm diameter and an overall length of 89 mm, this guide bit delivers dependable stability and concentric alignment when cutting large openings in wood, plastic, or sheet metal. Compatible with standard hole saw arbors and adapters, it serves as a fast replacement for worn bits, keeping your installations of conduit boxes and pipe penetrations fast, controlled, and precise.