Simpson Strong-Tie MDMX11217Q 1-1/8 in. x 17 in. SDS-max® Shank Quad-Head Drill Bit Square Phillips Optimized four-flute design removes dust

Optimized four-flute design removes dust faster

1: Fastening Wood-to-Steel

Diablos X-LOCK wire brushes and wire wheels are specifically designed for the X-LOCK portable tools

Simpson-Strong-Tie® SSPCSD Sheathing-to-Metal screws

Simpson Strong-Tie MDMX11217Q 1-1/8 in. x 17 in. SDS-max® Shank Quad-Head Drill Bit Square Phillips Optimized four-flute design removes dustSimpson Strong Tie MDMX11217Q 1 1 8 in. x 17 in. SDS max Shank Quad Head Drill Bit Simpson Strong Tie offers a complete line of premium quality drill bits, core bits and chisels to handle any drilling and demolition need. SDS max shank bits have a chisel shaped drill bit head which penetrates the material and directs concrete dust into the multi flute spiral. The proprietary flute geometry reduces vibration and optimizes impact energy transfers from