These self-driving screws are multipurpose

hot-dipped in galvanized steel for corrosion resistance

6-20 x 1 1/4 Phillips Drywall Self Drill Screw Zinc Plated (8000)

Special tungsten carbide tip

5/8-11 x 2 1/2 Button Socket Cap Screw 18-8 (A2) Stainless Steel

1/4 x 1 1/2 Simpson Countersunk Head Crimp Drive® Anchor Zinc Plated Carbon Steel - Box (100) 7/8-14 Socket Set Screws Cup Point Alloy These self-driving screws are multipurposeOur 1 4 x 1 1 2 Simpson Countersunk Head Crimp Drive Anchor is made of zinc plated carbon steel and supplied in boxes of 100. These high strength anchors feature countersunk heads for a flush finish. Perfect for a variety of applications.