5/8″-11 to 1/2 Inch Drill Adapter – Heavy 5/8″-11 Male to 1/2″ Triangle Shank

IMPORTANT FIT NOTE: Requires a 1/2″ drill chuck (will NOT fit smaller 3/8″ drills). SOLID STEEL, NO-WOBBLE PERFORMANCE: Precision-machined alloy steel body provides a tight, stable connection for smoother operation and better accuracy when working on tile, stone, or concrete.