Diablo SPEEDemon 3/16 In. x 6 In. Red Granite Carbide Rotary Hammer Drill Bit (5-Pack) Grills & Accessories 1/2 x 1/2 fip drop

1/2 x 1/2 fip drop ear elbow

and no by-products

x 2-3/4 In

locks down splinters

sink or outlet cutouts

Diablo SPEEDemon 3/16 In. x 6 In. Red Granite Carbide Rotary Hammer Drill Bit (5-Pack) Grills & Accessories 1/2 x 1/2 fip dropDiablo made carbide tip withstands impact & high heat applications for superior life versus standard masonry hammer drill bits Multi ground Grip Point Tip delivers stability & accuracy required for fast, precise holes Hi performance brazing & hardening process extends life of carbide tip & increases productivity Optimized flute design removes dust faster, keeping the carbide tip cooler for ultimate strength & durability Impact Strong increases shank