DEWALT DW5478-7/8" X 16" X 18" Rock Carbide 4 Cutter SDS+ Hammer Bit , Silver guide track Powered by premium zirconia grain

Powered by premium zirconia grain for extended life and aggressive material removal

Available in various sizes and cut styles

Break-Away torque with extended run time and speed control for unmatched fastening performance

Up to 520 ft

DEWALT DW5478-7/8" X 16" X 18" Rock Carbide 4 Cutter SDS+ Hammer Bit , Silver guide track Powered by premium zirconia grainWith a high impact, carbide tip and elongated 4 flute design, DEWALT HIGH IMPACT CARBIDE SDS Plus Masonry Drill Bits deliver extreme durability and fast drilling. An open head design enables quick material removal while working. Features High Impact Tip for Maximum Durability and Long Life Open Head Design for Faster Material Removal Enlongated 4 Flute Design for Faster Drilling Manufactured by DEWALT