M2 high-speed steel cutting edge welded to a shatter-resistant spring steel back. SPEED SLOT features a staircase designfor easy plug removal. 4/6 Vari-Tooth design for aggressive cutting action and reduced vibration. 3/16" thick heavy-duty backing plate is more durable than stamped backing cups and eliminates need for torque driving plate. Use for heavy-duty cutting in stainless and mild steel, cast-iron, copper, brass, aluminum, plastics, wood, and composition board.
- Increased wall thickness improves durability and minimizes tooth loss when cutting metal; optimized tooth design penetrates metal with ease
- Larger, sharper teeth remove more wood for fast and efficient cutting
- Speed slot staircase design for fast, easy plug ejection
- 3-1/2" BI-METAL HOLE SAW