Makita Dust Extraction Attachment, SDS-Plus, Drilling - GME Supply Added features include a self-centering tungsten carbide tip to help drive the bit straight. Drilling and hole cleaning in one step for faster chemical anchor installation the bit features a solid carbide head for added strength and durability. SDS-MAX Dust Extraction Drill Bit MAKITA E-07163 5/8" X 16" SDS-PLUS HOLLOW DUST EXTRACTION DRILL BIT Sds Drill Makita 1‑1/8 x 13 SDS‑MAX Bit, 6‑Cutter ; DESIGN : 6-cutter bit tip is engineered for drilling in reinforced concrete ; PRODUCTIVITY : Centering tip features a more... Reduces airborne silica dust and offers increased productivity during chemical anchor installation There is increased awareness of dust extraction, so if you’re drilling concrete get the best solution with the Makita SDS-MAX dust extraction drill bit, which combines efficient concrete drilling with efficient dust extraction. Makita USA - Product Details -B-61329 Solid Carbide head for added bit strength and durability