Simpson SDS-Max Quad Head Drill Bit 1 in. x 21 in. Carbide MDMX10021Q for Rotary Hammer Hammer Drill Bits which matches the anchor's nominal

which matches the anchor's nominal diameter for a proper interference fit as the expansion mechanism drives into the hole

Zinc-plated carbon-steel construction for corrosion resistance

more accurate driving

Tools: SDS-Max Rotary Hammer Drill

providing balanced structural performance for demanding right-angle connections

Simpson SDS-Max Quad Head Drill Bit 1 in. x 21 in. Carbide MDMX10021Q for Rotary Hammer Hammer Drill Bits which matches the anchor's nominalThe Simpson MDMX10021Q 1 in. x 21 in. SDS max Shank Quad Head Drill Bit by Simpson Strong Tie is a premium quality, professional grade carbide tipped rotary hammer drill bit engineered for demanding concrete and reinforced concrete drilling applications. Featuring a proprietary quad head dual cutter design and high volume double helix flute geometry, this bit delivers exceptional drilling speed, reduced operator vibration, and outstanding durability