Simpson SDS-Max Quad Head Drill Bit 11/16 in. x 21 in. Carbide MDMX06821Q Self-Drilling E Metal Screw Screw Size: #6

Screw Size: #6

This built-in safety mechanism helps protect critical machine components from costly repairs caused by unexpected feed overloads

The kit includes SCRB screws specifically designed for installing the horseshoe plate onto the end of the supported beam

The 1212HT features a G90 zinc galvanized coating

Simpson SDS-Max Quad Head Drill Bit 11/16 in. x 21 in. Carbide MDMX06821Q Self-Drilling E Metal Screw Screw Size: #6Simpson MDMX06821Q 11 16 in. x 21 in. SDS max Shank Quad Head Drill Bit is a premium quality, professional grade carbide drill bit from Simpson Strong Tie, engineered for high performance rotary hammer drilling in concrete and reinforced concrete. The quad head dual cutter design, proprietary flute geometry, and reinforced core work together to maximize energy transfer, enhance drilling speed, and reduce vibration and stress on the operator. Key