



Copper Binding Screws Set - Brass Flat Head Connector Screws - Photo Album Scrapbook Binding Fasteners - GB Standard Brass Material - Multiple Sizes Available
Binding Screws / Tubular RivetsDescription
Product Name: Copper Binding Screws Set (Brass Flat Head Connector Screws) Brand: Ronghou Material: Brass (Copper Material) Standard: GB (Chinese National Standard) Surface Treatment: Untreated (Natural Finish) Packaging: Plastic Bag / Paper Box Size Description: (Barrel Diameter × Length), excluding head length. Head diameter is uniformly 8mm. Available Sizes: Φ4×3mm / Φ4×4mm / Φ4×5mm / Φ4×6mm / Φ4×7mm / Φ4×8mm / Φ4×9mm / Φ4×10mm / Φ4×11mm / Φ4×12mm / Φ4×13mm / Φ4×14mm / Φ4×15mm / Φ4×16mm / Φ4×18mm / Φ4×20mm / Φ4×22mm / Φ4×25mm / Φ4×28mm / Φ4×30mm / Φ4×32mm / Φ4×35mm / Φ4×38mm / Φ4×40mm (5 pieces per size for most; Φ4×32 and above: 4 pieces per size) Product Features: High-Quality Brass Material: Made of national standard brass, corrosion-resistant, anti-oxidation, durable. Precision Thread Design: Deep brass threads provide tight engagement without loosening, ensuring secure connections. Flat Head with Slotted Drive: Flat head design with a single slot for easy installation, suitable for manual or tool operation. Wide Range of Applications: Ideal for photo album binding, ledger binding, scrapbook connections, wind power & photovoltaic fastening, picture frame assembly, leather goods connections, luggage accessories, and more. Complete Size Range: 4mm diameter with lengths from 3mm to 40mm, meeting various material thickness requirements. Application Areas: Photo Album Binding, Ledger Binding, Scrapbook Connections, Wind Power & Photovoltaic Fastening, Picture Frame Assembly, Leather Goods Connections, Luggage Accessories, Handmade DIY, Industrial Assembly, etc.