Bi Metal Hole Saws High-speed steel cutting edge provides shock resistant teeth and resists tooth strippage. 4/6 positive tooth configuration allows for fast, smooth cuts and less vibration. Packaged in individual boxes. Features: 4/6 variable tooth configuration 1 7/8" (48 mm) depth of cut 3/16" (5 mm) thick heavy-duty backing plate eliminates need for drive plate Application information: Creates holes for pipe and tubing installations, door lock installations, electrical conduit, hoses, and antennas. Ideal for plumbing, construction, aircraft, electrical, maintenance, and automotive applications. Use in steel, aluminum, brass, cast iron, plastic, or wood.

Bi-Metal Features

- Positive rake teeth
- Bi-metal construction
- High speed steel
- 4/6 variable tooth
- Smoother cuts
- 1 7/8" cutting depth
- Sharper, longer lasting teeth
- Faster cutting
- 3/16" thick backing plate
- Eliminates need for drive plate