Simpson #7 1-5/8 in Self-Drilling Siding Screw 410 Stainless 5000 Pk F07T162TDB Non-Ferrous/Aluminum/Plastic making this connector well suited

making this connector well suited for exterior applications and use with treated wood where exposure to moisture or corrosive elements is a concern

or can it go through the fixture hole

Standard 2-cutter bits are not designed to handle rebar contact and typically fail rapidly when they strike reinforcing steel

The DCU Composite screws and the Auto-Set Driver bit are each sold separately as part of the complete Deck-Drive DCU system

Structural anchoring solutions

Simpson #7 1-5/8 in Self-Drilling Siding Screw 410 Stainless 5000 Pk F07T162TDB Non-Ferrous/Aluminum/Plastic making this connector well suitedThe Simpson #7 1 5 8" Self Drilling Siding Screw in Type 410 Stainless Steel is engineered for reliable fastening of wood siding, wood panels, and metal trim to steel studs. Featuring a precision trim head, a #3 drill point for self drilling performance, and a #1 square drive for reduced cam out, this screw delivers professional grade results in both residential and commercial cladding applications. Supplied in a contractor ready 5,000 piece pack