BROCA SDS-MAX 1 1/4 X 36 MAKITA B-61531 - Tienda The bits are engineered to deliver Rounder holes for more efficient anchor setting, and the flute design is engineered for faster dust removal than standard bits. 3-Cutter bit tip is engineered for drilling in reinforced concrete The 3-cutter design delivers the concrete-cutting capability of a 4-cutter bit but with the efficiency and speed of a 3-cutter. SDS Plus Masonry Bits For Hammer Drill Makita B-61195 3/16" X 8" SDS-Plus Bit, 3-Cutter, 10/Pk - Contractor Tool Supply, A Vera Tools Company Makita SDS-Plus Bits 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 Central guiding action engineered for more accurate holes Makita SDS-Plus 3-cutter bits feature premium carbide tips for efficient drilling and longer service life. SDS Plus 4-Cutter 5 Piece Set - Made In Europe Engineered for reduced vibration