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Barrel Nuts Cross Dowels Slotted Nuts Stainless Steel M8 M12 M3 Cross Dowel Barrel Nut for Furniture

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Secure Furniture Assembly: Designed to provide sturdy, hidden fastening solutions for furniture components using cross dowels and slotted barrel nuts, ensuring durable connections.
  • Versatile Thread Compatibility: Supports multiple metric thread sizes (M2 to M16) and materials (stainless steel, brass, aluminum) to meet diverse hardware and structural requirements.

Key features

  • 1. Corrosion-Resistant Material Technology

  • With a zinc-flake coated stainless steel body, these barrel nuts provide superior resistance to rust and corrosion compared to standard uncoated fasteners*.

  • 2. Multi-Thread Compatibility for Versatile Performance

  • Featuring thread sizes from M2 to M16, these nuts are compatible with a wide range of furniture hardware, outperforming single-size solutions*.

  • 3. Eco-Friendly Certification Compliance

  • Certified to EN62321, RoHS, and EPR standards, these nuts meet stringent environmental and safety regulations globally*.

  • 4. Slotted Design for Simplified Assembly

  • The slotted cross-dowel design enables quick alignment and installation, saving up to 30% assembly time versus traditional nuts*.

  • 5. Aesthetic & Durability-Enhancing Surface Treatment

  • The black oxide finish not only enhances corrosion resistance but also provides a sleek, uniform appearance for modern furniture*.

  • Notes:

    • Material Technology and Surface Treatment points emphasize durability and environmental adaptability.

Product details

Barrel Nuts Cross Dowels Slotted Nuts Stainless Steel M8 M12 M3 Cross Dowel Barrel Nut for Furniture

Barrel nuts cross dowels slotted nuts in stainless steel offer robust fastening solutions for furniture and industrial applications. Available in thread sizes M3 to M16, these nuts feature zinc-flake coatings, black oxide finishes, and compliance with global environmental standards (RoHS, REACH, EPR).

Technical specifications

FeatureSpecificationBenefit
MaterialStainless steel, brass, aluminum, steel, plasticCorrosion resistance, lightweight options
Thread SizeM2, M3, M4, M5, M8, M10, M12, M14, M16Universal compatibility with industry standards
FinishZinc-flake coated, black oxide, galvanized, passivatedEnhanced durability and aesthetic appeal
CertificationsEN62321, RoHS, EPR_France_Packing, REACH, EPR_Germany_PackingCompliance with EU environmental regulations
Measurement SystemImperial & MetricGlobal application flexibility

Customization guide

Adjust material (e.g., stainless steel for marine use) or finish (e.g., zinc-flake coating for extreme environments) to meet specific durability or regulatory requirements.

Get inspired

Ideal for furniture assembly, machinery components, and outdoor equipment. The slotted design ensures secure fastening, while metric/imperial compatibility simplifies cross-border projects.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Corrosion ResistanceStainless steel (A2)316-grade stainless steel+25% premium coating*
Thread PrecisionClass 6HClass 5HClass 4H
Load Capacity1,500 N2,200 N3,000 N (+20% vs industry)

Supplier's note

  1. Technical Breakthroughs:

    • EPR Compliance: Simplifies waste management for EU-based manufacturers.
    • 316-grade Stainless Steel: Pro version offers 3x longer lifespan in corrosive environments.
    • Universal Thread Range: Covers M2–M16, addressing 90% of furniture assembly needs.
  2. Version Selection Guide:

    • Base Model: Suitable for standard indoor furniture (e.g., office chairs).
    • Advanced Model: Ideal for medium-duty applications (e.g., garden furniture).
    • Pro Model: Best for harsh environments (e.g., marine equipment) due to its +25% corrosion coating and 3,000 N load capacity.

With the Pro’s 316-grade stainless steel, you can ensure longevity in coastal climates. Pair its high load capacity with black oxide finishes for discreet, durable outdoor fixtures.

Frequently asked questions

  • Which stainless steel barrel nut model suits different furniture assembly needs (e.g., M8 vs M12)?

  • How to clean and maintain zinc-flake coated cross dowels?

  • Stainless steel vs brass slotted nuts: Which is better for outdoor furniture?

  • Are black oxide coated barrel nuts compatible with imperial or metric systems?

  • Can I customize finishes for cross dowels (e.g., galvanized vs coated)?

  • Which thread size (M3/M4/M8) is best for lightweight vs heavy-duty furniture?

  • Are these slotted nuts FDA-approved for food-grade furniture?

  • How do surface treatments (e.g., passivated steel) enhance furniture durability?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionOutdoor furniture, Marine equipmentStainless Steel: EN 10088-3 compliant (316L grade) ▲
Aluminum: 6061-T6 (ASTM B221)
Brass: C26000 alloy (ASTM B227)
Advanced: 316L stainless steel resists saltwater corrosion (1000+ hours neutral salt spray test)
Lightweight aluminum for portable use
Higher cost for stainless steel; brass may tarnish without coating
CertificationsEU exports, Electronics assemblyEN62321 (RoHS 3.0 compliance), EPR France/Germany Packaging (2023 regulations)Ensures regulatory compliance for EU markets ▲
Reduces legal risks
Certification costs increase product price by 15-20%
Surface FinishIndustrial machinery, Automotive partsZinc-flake coating: ASTM B695 (12μm thickness) ▲
Black Oxide: MIL-DTL-13924 (0.0002" thickness)
Advanced: Zinc-flake coating provides 500+ hours salt spray resistance
Cost-effective black oxide for aesthetics
Zinc coating requires periodic maintenance; black oxide wears off in abrasive environments
Thread Size RangeGlobal construction, Furniture assemblyMetric (M2–M16 per ISO 2768) ▲
Imperial (1/4"–1" per ASME B1.1)
Advanced: Full metric/imperial compatibility reduces tooling costs for multinational projectsLimited thread options may require adapters for niche applications
Surface TreatmentAesthetic furniture, Medical devicesElectroplated black finish (ASTM B633, 0.0005" thickness)Uniform appearance for premium products ▲
Non-corrosive for medical use
Finish may chip during assembly; requires careful handling
Finish DurabilityHarsh industrial environmentsGalvanized: ASTM A123 (85μm zinc layer) ▲
Passivated: ASTM A967 (22–27 µm thickness)
Advanced: Galvanized coating withstands 1000+ hours salt fog test
Passivation for sterile environments
Galvanized adds 15% weight; passivation not suitable for high-moisture areas

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