Precision Narrow Tinplate Strip / High-Tolerance Slit Tinplate Coil

Type: Stationery Hardware Raw Materials / Edge-Banding Steel Strips / Ultra-Narrow Metal Foils Model: ETP-020-6.5-7.0-JF (Precision Joint-Free Series for File Mechanisms) Params: Thickness: 0.20mm (Gauge Consistency: ≥99%) Available Widths: 6.5mm / 7.0mm Precision Width Tolerance: ±0.03mm (Ultra-Strict Control) Tin Coating Weight: 4.2/4.2 g/m² - 5.6/5.6 g/m² (Equal Coating) Coil Inner Diameter (ID): 160mm / 200mm Coil Mechanics: 100% Joint-Free, Camber-Free, Burr-Free Slitting Edge Anti-Rust Treatment: Post-slitting edge passivation & anti-rust oiling (Optimized for High-Heat/High-Humidity climates) Packaging Grade: 7-layer heavy-duty ocean freight moisture-proof barrier (Single Coil Wrapped) Coil Consistency: Identical weight and outer diameter per batch for synchronized feeding Material: Prime Quality High-Consistency Electrolytic Tinplate (ETP), Base Metal MR-Grade,galvanized steel Applicable Industry: High-Speed Stationery Hardware Manufacturing, File Folder Lever Arch Mechanism Fabrication, Office Supplies Metal Component Stamping, and Precision Narrow Micro-Forming Lines.