Carbide Tipped Hole Saws and Accessories - Easily cut thick or layered building materials including wood, wall tile, fiberglass, plastic and fiber cement siding. Cleanly cut James Hardie® Fiber Cement Products. Quick Change Pilot Drills with a tight, gripping hex shank are available in both High Speed Steel and Carbide Tipped. Unique Quick Connect Arbor easily attaches both pilot drill & hole saw quickly and securely. 19 separate Hole Saws work fast with Carbide Tipped Teeth featuring self cleaning deep gullets.