Simpson SDS-Max Quad Head Drill Bit 1-1/8 in. x 21 in. Carbide MDMX11221Q Profile Knives & Limiters drill bit to ensure correct

drill bit to ensure correct hole sizing and optimal performance

Professional rotary hammer drilling with SDS-max shank rotary hammers

nails OR (8) 1/2 in

Max RPM: 5800

Simpson SDS-Max Quad Head Drill Bit 1-1/8 in. x 21 in. Carbide MDMX11221Q Profile Knives & Limiters drill bit to ensure correctKey Features Uniformly Brazed Carbide Inserts: Delivers consistent bonding across all cutting edges, resulting in longer bit life and sustained cutting performance. Self Centering Tips: Ensures accurate hole placement from the very first strike, reducing the risk of bit walking on hard surfaces. Chromium Nickel Molybdenum Steel Alloy Body: A premium alloy construction that ensures exceptional hammering quality and an extended service life under heavy