Diablo 5-pc SPEEDemon Red Granite Carbide-Tipped Hammer Drill Bit Set Cutter Heads Secondary expansion feature significantly increases

Secondary expansion feature significantly increases the ability to carry load if the hole expands

making it convenient to use a single shank across different cutter diameters

The LGT4-SDS3 features a G90 zinc galvanized coating

Made from 7-gauge uncoated steel

Wrench Size: 7/16 in

Diablo 5-pc SPEEDemon Red Granite Carbide-Tipped Hammer Drill Bit Set Cutter Heads Secondary expansion feature significantly increasesShank: Hex Piece Count: 5. 0 Tools: Hammer Drill; Impact Driver; Drill Driver Materials: Concrete; Masonry; Stone; Marble; Granite Pack Quantity: Set of 5 Diablo's SPEEDemon Red Granite PLUS Carbide Tipped Hammer Drill Bits provide one of the most durable, fastest, and up to 4X longer lasting drilling solutions for concrete, masonry, and stone. Optimized with a unique brazing and hardening process, the impact resistant carbide tip withstands heat