LONG-LASTING SDS-MAX DRILL BIT DESIGN: Manufactured with 100% carbide head and four-cutter design, making it the long-lasting bit for drilling in reinforced concrete and hard aggregate LATEST DIFFUSION-BONDING TECHNOLOGY: Provides 5x life vs. competition, for the strongest bond available FOUR-CUTTER HEAD DESIGN: Provides 180 cutting diameter and 100% power transfer during drilling FOUR SYMMETRICAL 90 SIDE ANGLES: Create a wide and sharp tip to aggressively cut through tough material like concrete with rebar ACTIVE-CENTERING TIP: Results in rounder holes for precision-anchoring applications, with a wear mark to help deliver precision hole-diameter tolerance BOSCH-MADE CARBIDE: Advances consistent, quality material; the only concrete bit manufacturer to make its own carbide FOUR-FLUTE DESIGN: Aggressively pull dust away from the work, keeping the bit tip cooler for longer bit life