13/16" x 21" Simpson SDS-MAX Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 Decorative Gable Plates This product is intended for

This product is intended for use with 6x6 lumber but is also available in other sizes

It is available in smooth and knurled versions for attaching building materials to concrete and steel

Deck-to-house attachment reinforcement

mildew and UV light

Its flexible design and precision-engineered construction make it ideal for a variety of roofing projects

13/16" x 21" Simpson SDS-MAX Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 Decorative Gable Plates This product is intended forStrong Tie SDS MAX masonry drill bits feature a durable carbide tip and are designed for use in concrete, brick and block applications. California Residents: WARNING