Core Specifications (Common) Model: 3515 (leg length 15mm), 3518 (18mm), 3522 (22mm) Shank width: 34.7–35mm (±0.3mm) Wire diameter: Approximately 2.3mm × 0.9mm (16 gauge) Material: High-strength steel; surface with copper plating (golden yellow)/zinc plating (silver white), featuring rust resistance and wear resistance Shape: U-shaped with sharp ends for easy penetration into cartons Packaging and Quantity Single box: Approximately 2000 pieces for 3515, 1800 pieces for 3518, 1600 pieces for 3522 Carton packing: 10 boxes per carton, convenient for bulk use Features and Applications Compatible tools: Manual/pneumatic carton sealers (e.g., ACE 35, Bostitch MS-35) Advantages: Firm stapling, good penetration, not easy to loosen, suitable for sealing cartons in express delivery, logistics and e-commerce Applicable scenarios: Sealing 3–5 layer corrugated cartons, especially suitable for packaging heavy goods and long-distance transportation
