5/16" x 6-1/4" Simpson SDS-Plus Concrete Drill Bit - Carbide Tip, Pkg 25 Quality Ag Inc. The Simpson PROSDDM35K auto-feed Decking/Drywall

The Simpson PROSDDM35K auto-feed Decking/Drywall Combo System makes quick work of installing decks/docks

Each screw is finished with a black corrosion-resistant coating that blends beautifully with decorative hardware

Lumber Size: Intended for use with 6x6 posts/columns

Installing metal roofing

and modular builds where speed and consistency matter most

5/16" x 6-1/4" Simpson SDS-Plus Concrete Drill Bit - Carbide Tip, Pkg 25 Quality Ag Inc. The Simpson PROSDDM35K auto-feed Decking/DrywallStrong Tie SDS Plus masonry drill bits feature a durable carbide tip and are designed for use in concrete, brick and block applications.