Fast Metal Drilling Speeds for Optimized tooth design. Raised Shoulder Helps to prevent the drill from breaking through the material when hole is complete. Easy Plug Removal for Ejection. SpringThinwalled design. Optimum metal drilling efficiency. Raised Shoulder Helps to prevent the drill from brea...

Double tooth for longer life and improved durability, cuts material faster for faster drilling. Thick, hardened backing plates prevent thread stripping. Increased high speed steel height improves hole saw durability.