All RIDGID® segmented diamond drill bits are laser welded for superior strength. They are three times stronger than conventional brazed bits. RIDGID core bits are available in 2 styles: Premium Red and High Speed Premium Red. Premium Red core bits are heavy-duty, multi-purpose bits for drilling in many types of materials including reinforced concrete, cinder block, stone, etc. High Speed Premium Red core bits are designed for high speed drilling. Unique diamond segment design can increase drilling speed as much as 30% over conventional bits.
Quick Connecting Two-piece Design - This unique design allows for easy mounting, transport and set up. This is particularly useful when working off a ladder or overhead.
Single-Hand Chain Latching - The Model HC300 features a patented spring-loaded chain that saves time and significantly aids set up and operation.
Ergonomic Design - With all controls at the operator’s fingertips, the tool has been designed for maximum productivity.
High Speed - With a powerful 1.2 HP, 11 Amp motor, the Model HC300 delivers 360 RPM to quickly bore holes while optimizing hole saw life.
Horizontal and Vertical Flats - Ensures perpendicular cutting.