Home Products Power Tool Accessories Masonry Drill Bits Spline 2-Cutter Masonry Drill Bit 5/8″ Cutting Length 31″ Overall Length 36″ Spline 2-Cutter Masonry Drill Bit 5/8″ Cutting Length 31″ Overall Length 36″ (83813) 2 cutter spline Self-centering tip for precise drilling Crushes 20 times faster than standard masonry drills Find a Retailer