Experience walk-free cutting with the Bosch AutoStart pilot bit, featuring a spring-loaded retractable shaft that eliminates the need for a pilot hole. This carbide-tipped mandrel is part of the patented Quick Change Universal system, allowing for seamless transitions in seconds. Designed for precision, its unique grind ensures accurate hole starts every time.

• Carbide tip provides extended life when cutting through porcelain and granite
• Features a spring-loaded, retractable shaft for walk-free cutting without a pilot hole
• Patented Quick Change Universal system allows for hole saw changes in seconds
• Unique grind ensures accurate and precise hole starts every time
• Compatible with diamond hole saws ranging from 3/4 in. to 4-1/8 in.
• Designed for use with Bosch mandrel models PCM38, PCM12, and PCMSDSPL