Lasts up to 50 times longer than a HCS hole saw in tough materials. Cutting holes in brick, soft tiles, and drywall is essential for plumbers and electricians on a construction site or during renovations. Few hole saws can withstand this type of work with various robust building materials. The Expert Construction Material makes it possible. With a hole saw, many tasks can be accomplished over a long period. With only a few large carbide teeth on the steel body, the Expert Construction Material provides a firm grip. The large slots are optimized for quick chip removal. The hole saw quickly penetrates brick, wood, and particle board. Bosch Carbide technology is an optimal blend of the hardest metals and offers an extremely long lifespan. The Bosch Expert Construction Material hole saw is a robust tool that is very useful on the job site. It provides professionals with high added value due to its durability. Designed for use with Bosch's Power Change Plus quick-change adapter for accuracy and robustness. Diameter: 68 mm, Diameter: 2 3/4 inches, Working length: 60 mm.