#10 x 2-3/4" Simpson Strong-Tie DCU T20 Cap Head Composite Deck Screw - 305 Stainless Steel, Gray, Pkg. 1,750 Wood Siding Nails The SP10-38 asphalt anchor requires

The SP10-38 asphalt anchor requires a 7/8" hole that is 6" deep

6-lobe bit socket

and pipe supports

Type 17 point - drives quickly into decking material and minimizes splitting

Conquest 8 x 1-5/8" Flat Head Deck Screws are crafted for projects that demand strength

#10 x 2-3/4" Simpson Strong-Tie DCU T20 Cap Head Composite Deck Screw - 305 Stainless Steel, Gray, Pkg. 1,750 Wood Siding Nails The SP10-38 asphalt anchor requiresThe Simpson Strong Tie Deck Drive DCU Composite Screw is designed for composite and PVC decking, trim, and cladding where strength, clean finishes, and durability are a must. Featuring a cap head that prevents mushrooming, these screws ensure a smooth, professional look across all major composite brands. The Quik Guardcoated 305 stainless steel offers dependable corrosion resistance for everything from residential decks to high exposure and marine