Metal ROOFING SCREWS: (1000) 10 x 1" Galvanized Hex Head Sheet Metal Roof Screw. Self starting metal to wood siding screws. EPDM washer. No Paint - Walmart.com
1/4-14 x 4 Self-Drilling Screws with Galvanized Bonded Washers, 14N400UHWB3TC/USABULK | Tanner
1/2" x 8" Lag Screws Galvanized Hot Dipped HDG (Bulk Box) - RCG Designs - Stuff for the DIYer