Simpson #12 x 2-1/2" Self-Drilling Hex-Washer Head Screw, 305 Stainless Steel SDCF TIMBER-CF Screw U-shaped hanger encapsulates the top

U-shaped hanger encapsulates the top flange of the joist

Designed specifically for decking

Stock Number: JT9-321487-4

and corrosion can cause staining

Simpson #12 x 2-1/2" Self-Drilling Hex-Washer Head Screw, 305 Stainless Steel SDCF TIMBER-CF Screw U-shaped hanger encapsulates the topSimpson #12 x 2 1 2" Self Drilling Hex Washer Head Screw in 305 Stainless Steel is engineered for reliable fastening in applications where corrosion resistance is critical. Crafted from Type 305 stainless steel, this self drilling screw drives fast and clean into aluminum and fiberglass substrates without requiring a pre drilled pilot hole saving time and reducing steps on the job. The indented hex washer head provides a broad bearing surface and a