Simpson 13/16 in. x 21 in. SDS-Max Quad Head Carbide Drill Bit MDMX08121Q for Rotary Hammers Dovetail Router Bits The anchor features a unique

The anchor features a unique preformed curvature along its shaft that acts as a built-in expansion mechanism

For metal demolition applications

Structural connections requiring expansion-style anchoring in masonry assemblies

accurate holes for anchor installation

Simpson 13/16 in. x 21 in. SDS-Max Quad Head Carbide Drill Bit MDMX08121Q for Rotary Hammers Dovetail Router Bits The anchor features a uniqueThe Simpson MDMX08121Q 13 16 in. x 21 in. SDS max Shank Quad Head Drill Bit by Simpson Strong Tie is a premium quality, professional grade carbide drill bit engineered for demanding rotary hammer drilling applications in concrete and reinforced concrete. Built with a proprietary quad head dual cutter design and high volume double helix flute geometry, this bit delivers exceptional drilling speed, superior durability, and reduced operator vibration