Flat Head Sheet Metal Screw Set With Finishing Cup Washers In 316 Stainless Steel 601 Piece Assortment For A Clean Countersunk Finish On Marine And Home DIY Projects

316 stainless screws with cup washers, 601pc set
✔️ 316 SS screws + cup washers, suitable for marine and DIY

This 601-piece set pairs marine-grade 316 stainless steel sheet metal screws with finishing cup washers to deliver a flush, countersunk finish on boats, decks, cabinets, and general DIY projects.

✅ 316 stainless steel sheet metal screws, diameters #4 through 1/4" (5.05-6.35 mm) (300 pcs)
✅ 300 finishing cup washers, diameters #4 through #14 (1/4") (5.05-6.35 mm)
✅ Countersunk head sits flush with cup washer for a professional finish
✅ Hand-picked and assembled in-house for consistent quality
✅ 601-piece assortment for marine and home DIY projects

💡 What is a sheet metal screw and cup washer set used for in marine DIY projects? This handy kit makes it easy to secure panels with a flush countersunk finish. - Provides corrosion resistance in saltwater environments - Maintains clean, even lines on decks and enclosures - Ideal for cabinets, framing, and light fabrication