#8 x 1" Truss-Head Screw - 305 Stainless Steel, 2000 Pkg Strong-Tie SDWC Truss Screws the screw’s tri-lobe thread design

the screw’s tri-lobe thread design and unique cut point drive cleanly into composite and PVC material without splitting or excess board damage

The #7 Round Silicone Metal Roof Pipe Boot with Install Kit is a complete solution for sealing pipe penetrations on metal roofs

Self-Drilling Tip: Eliminates the need for pre-drilling into steel up to 1/8" thick

Wafer head design offers a large bearing surface and clean countersinking

#8 x 1" Truss-Head Screw - 305 Stainless Steel, 2000 Pkg Strong-Tie SDWC Truss Screws the screw’s tri-lobe thread designThe Self Drilling Flat Pan Head Screw comes in 305 Stainless Steel with an oversized square drive head and is excellent for applications in fastening aluminum and fiberglass. These screws have a coarse thread and predrilling recommended dependent on substrate. California Residents: WARNING