BI-Metal Speed Slot Hole Saw With T3 Technology - Metric Improved Metal Cutting Performance.Increased wall thickness improves durability and minimizes tooth loss.Optimized tooth design penetrates metal with ease. Fast, efficicent cutting in wood.Larger, sharper teeth remove more wood for fast cutting Speed Slot staircase design for fast, easy plug ejection Advanced tooth design increases cutting life 10% Thicker Wall adds strength and durability
