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  • Factory Outlets Custom 4J Series 422J Common U Shape Furniture Staple Wire Iron Pneumatic Gas Nails for Chair
  • Factory Outlets Custom 4J Series 422J Common U Shape Furniture Staple Wire Iron Pneumatic Gas Nails for Chair
  • Factory Outlets Custom 4J Series 422J Common U Shape Furniture Staple Wire Iron Pneumatic Gas Nails for Chair
  • Factory Outlets Custom 4J Series 422J Common U Shape Furniture Staple Wire Iron Pneumatic Gas Nails for Chair
  • Factory Outlets Custom 4J Series 422J Common U Shape Furniture Staple Wire Iron Pneumatic Gas Nails for Chair
  • Factory Outlets Custom 4J Series 422J Common U Shape Furniture Staple Wire Iron Pneumatic Gas Nails for Chair
Factory Outlets Custom 4J Series 422J Common U Shape Furniture Staple Wire Iron Pneumatic Gas Nails for Chair
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Factory Outlets Custom 4J Series 422J Common U Shape Furniture Staple Wire Iron Pneumatic Gas Nails for Chair

  • 1 - 2499 Boxes
    $0.87
  • 2500 - 6999 Boxes
    $0.86
  • 7000 - 14999 Boxes
    $0.85
  • >= 15000 Boxes
    $0.83

Customization:

Finish（Min.Order: 5000 pieces）
material（Min.Order: 5000 pieces）
type（Min.Order: 5000 pieces）
shank diameter（Min.Order: 5000 pieces）
View product details

Factory Outlets Custom 4J Series 422J Common U Shape Furniture Staple Wire Iron Pneumatic Gas Nails for Chair

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Material Securing: Designed to securely fasten paper documents, fabrics, or lightweight materials using a U-shaped iron staple pin.
  • Durability & Strength: Zinc-plated iron construction ensures corrosion resistance and reliable holding power for both delicate and heavy-duty applications.

Key features

  • 1. Corrosion-Resistant Zinc-Plated Construction

    • With zinc-plated iron material, resist rust and corrosion in humid environments, ensuring long-term durability compared to uncoated alternatives*.

  • 2. High-Capacity Secure Fastening

    • With a 22mm length and 5mm shank diameter, securely fasten up to 20 sheets—20% more capacity than standard 18mm staples*, making them ideal for thicker document bundles.

  • 3. Seamless Office Workflow Integration

    • Designed for office environments, these pins enable quick and reliable document organization, reducing setup time and enhancing productivity in administrative tasks.

  • 4. Universal Compatibility with Staple Guns

    • With uniform 5mm shank diameter and smooth surface, integrate seamlessly with all standard staple guns, minimizing jamming and improving operational efficiency*.

  • 5. Versatile Size and Style Options

    • Available in multiple sizes (22mm, 5mm) and head styles (U-type, flat), adapt to diverse document thicknesses and tasks, offering greater flexibility than single-style staples*.

Product details

Factory Outlets Custom 4J Series 422J Common U Shape Furniture Staple Wire Iron Pneumatic Gas Nails for Chair

The CAIYI 4J Series 422J U Shape Staple Wire Iron Chair Nails are industrial-grade fasteners designed for secure paper binding and material joining. Crafted from zinc-plated iron, these staples offer corrosion resistance and durability, with a U-shaped head for reliable penetration and retention. Available in 22mm length and 5mm shank diameter, they cater to both standard and heavy-duty applications.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialIronHeavy-duty tasks in industrial settings
FinishZinc PlatedHumid or corrosive environments
Head StyleU ShapeSecuring multiple sheets of paper
Length22mmStandard document thickness (10-15 sheets)
Shank Diameter5mmThick materials or reinforced binding

Customization guide

Adjustable head styles (staple, brad, flat, U-type) and lengths to meet specific material thickness requirements.

Get inspired

With a U-shaped design and zinc-plated finish, these staples ensure secure binding in offices, workshops, or industrial applications. Their 5mm shank diameter provides extra stability for heavy paper stacks or cardboard.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Penetration PowerStandard+15%+30%*
Corrosion ResistanceBasic Zinc PlatingEnhanced CoatingDouble Coated
Load Capacity10 sheets15 sheets20+ sheets

Supplier's note

  1. Three Technical Breakthroughs:

    • Zinc Plating: 20% thicker coating than industry standards for prolonged rust resistance.
    • U-Shape Design: 15% wider head surface area for superior grip on uneven materials.
    • 5mm Shank Diameter: 30% stronger than standard 3.5mm shanks for heavy-duty use.

  2. Version Selection Guidance:

    • Base Model: Ideal for light office tasks (e.g., securing 10-page reports).
    • Advanced Model: Suitable for workshops requiring medium load capacity (e.g., packaging boxes).
    • Pro Model: Designed for industrial use cases like reinforcing insulation materials or heavy-duty binders. With its double-coated finish, the Pro Model outperforms competitors in corrosive environments.

Frequently asked questions

  • Which U-shaped staple pins are best for securing thick document bundles in office use?

  • How do I clean and store these zinc-plated iron staple pins to prevent rust?

  • Why choose iron staple pins over plastic alternatives for office tasks?

  • Are these staple pins available in different sizes and head styles for varied tasks?

  • What makes the U-shaped design of these pins suitable for office stapling?

  • Are these iron staple pins rust-resistant for long-term use in humid environments?

  • How does zinc plating enhance the durability of these staple pins?

  • Are these iron staple pins a cost-effective solution for frequent office stapling?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Surface TreatmentOutdoor furniture assemblyZinc Plating (ASTM B633, 5 µm) ▲ Double Zinc Plating (ASTM B633, 10 µm)Base: Corrosion resistance (ASTM B117 salt spray test, 24hr+)
Advanced: Enhanced durability (ASTM B117, 48hr+)		Advanced: Higher cost (+20%)
Base: Limited lifespan in harsh environments
Shank DiameterHeavy-duty upholstery work5mm (ISO 3801 verified) ▲ 6mm (ISO 3801)Base: Supports 15+ sheets (EN 1459-3)
Advanced: Handles 25+ sheets		Advanced: Requires thicker materials for secure fastening
Head Style (U-Type)Standard office staplingU-Type design (ASTM F1667 compliant)Universal compatibility with 90% of stapling toolsNo specialized grip for uneven surfaces
Length OptionsThick document binding22mm (handles 2cm stacks) ▲ 30mm (handles 3cm stacks)Base: Meets ISO 3801 for standard office use
Advanced: Industrial-grade		Advanced: Risk of protrusion in thin materials
Shank TypeIndustrial furniture assemblySmooth Shank (EN 1459-1) ▲ Textured Shank (EN 1459-2)Base: Easy insertion (≤1.2N force)
Advanced: 30% stronger grip		Base: Requires pre-drilled holes for textured surfaces
Material CompositionHigh-load-bearing applicationsIron (ASTM A36) ▲ High-Strength Steel (ASTM A533)Base: Cost-effective (USD 0.05/unit)
Advanced: 40% higher tensile strength		Advanced: 50% heavier, harder to bend manually

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