Simpson SDS-Max Quad Head Drill Bit 11/16 in. x 21 in. Carbide MDMX06821Q Self-Drilling E Metal Screw Remote-controlled digital timer can be

Remote-controlled digital timer can be programmed for up to 99 minutes

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

giving installers flexibility depending on the framing conditions at the jobsite

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 Remote-controlled digital timer can beSimpson 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