3-Cutter bit tip is engineered for drilling in reinforced concrete Makita SDS-Plus 3-cutter bits feature premium carbide tips for efficient drilling and longer service life. The 3-cutter design delivers the concrete-cutting capability of a 4-cutter bit but with the efficiency and speed of a 3-cutter. Makita Bit E-14249 - Bohrer Set SDS-PLUS 4 Stück 1/4 X 4 Inch Bit Makita USA - Product Details -B-61014 Centering tip features a more aggressive design for faster hole starting Aggressive head geometry in primary cutter engineered for use in concrete Driltec SM-420-420 1 x 8 x 13-1/4 SDS-Max multi-cutter masonry drill bit | Outillage Mathieu 1/4 x 4 SDS‑PLUS Bit, 3‑Cutter · 3-cutter bit tip is engineered for drilling in reinforced concrete · Centering tip features a more aggressive design for faster... Central guiding action engineered for more accurate holes Engineered for reduced vibration
