Bosch 3/4 In. x 16 In. x 21 In. SDS-max SpeedXtreme Rotary Hammer Drill Bit – HCFC5031

Long-lasting SDS-max bit, with 100% carbide head100% carbide head for durability, four-cutter design for speedHas 5X life in concrete with rebar, for large rotary Max hammers

Benefits
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-flute design
aggressively pull dust away from the work, keeping the bit tip cooler for longer bit life
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