Petal Nut Expansion Screws Kit For Metal Frames 50Pcs Jack Nuts M4 M5 M6 M8 Heavy Duty Galvanized Carbon Steel Rustproof Rivet Nuts Fasteners For Securing Plates And Frames In 0 To 6mm Hollow Materials
✔️ 50 pcs in 4 sizes (M4-M8) with galvanized carbon steel finish
This heavy-duty jack nut expansion screws kit is designed to secure panels and frames into hollow materials. It’s ideal for metal frames, aluminum profiles, sheet metal, and other thin sections up to 6 mm thick. The package includes 50 pieces total, with 10 of each size (M4, M5, M6, M8) for common fastening needs.
✅ 50 pieces total across 4 sizes: M4, M5, M6, M8 (10 each)
✅ Galvanized carbon steel construction for rust resistance
✅ Suits 0-6 mm hollow materials like aluminum frames and thin plates
✅ Quick install: insert into drilled hole, tighten with screwdriver, secure other parts
💡 What is a jack nut expansion screw used for in metal frame assembly?
This handy fastener is designed to secure panels in hollow sections.
- Handy for securing thin metal walls and hollow doors
- Distributes load across the panel for strong joints
- Quick installation with basic tools