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  • Round Head Broach Style Captive Nuts Hex Head Sleeve Nut
  • Round Head Broach Style Captive Nuts Hex Head Sleeve Nut
  • Round Head Broach Style Captive Nuts Hex Head Sleeve Nut
  • Round Head Broach Style Captive Nuts Hex Head Sleeve Nut
  • Round Head Broach Style Captive Nuts Hex Head Sleeve Nut
Round Head Broach Style Captive Nuts Hex Head Sleeve Nut

Round Head Broach Style Captive Nuts Hex Head Sleeve Nut

  • >= 1000 Pieces
    $0.02

Customization:

Customized logo（Min.Order: 10000 pieces）
Customized packaging（Min.Order: 10000 pieces）
View product details

Round Head Broach Style Captive Nuts Hex Head Sleeve Nut

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Secure Fastening: Designed with a threaded interior to securely fasten bolts and screws, featuring a captive design that prevents loosening under vibration or stress.
  • Versatile Head Types: Offers both round head and hex head styles for compatibility with diverse installation tools and aesthetic requirements.

Key features

  • 1. Corrosion-Resistant Materials

    • With corrosion-resistant stainless steel and alloy steel construction, you can ensure long-lasting performance in harsh environments. Riveted design enhances load distribution and prevents slippage.

  • 2. Wide Thread Compatibility

    • With thread sizes ranging from M2.2 to M16, you can accommodate diverse bolt requirements for precise fastening. ~20% more size options than standard nuts.

  • 3. Versatile Applications

    • Designed for both home repairs and industrial machinery, you can address varied fastening needs across environments. Suitable for lightweight to heavy-duty uses.

  • 4. Safety and Compliance

    • With CE and EPR certifications, you can meet strict safety and environmental standards in Europe. Guaranteed compliance with EU regulations.

  • 5. Secure and Flexible Design

    • With dual head types (round and hex) and captive design, you can achieve secure fastening and compatibility with multiple tools. Prevents loosening compared to traditional nuts.

Product details

Round Head Broach Style Captive Nuts Hex Head Sleeve Nut

Round Head Broach Style Captive Nuts Hex Head Sleeve Nut offers robust fastening solutions with precision-engineered designs. Available in steel, brass, alloy steel, and stainless steel, these nuts feature threaded interiors and riveted edges for enhanced load distribution and corrosion resistance. Certified to CE and EPR standards, they cater to diverse applications from industrial machinery to automotive assembly.

Technical specifications

FeatureSpecificationApplication Scenario
Thread DesignMetric thread sizes: M2.2, M2.5, M3, M5, M6, M8, M10, M16Secure fastening in machinery, automotive, and construction equipment
Material OptionsSteel, Brass, Alloy Steel, Stainless SteelStainless steel for corrosive environments; brass for decorative uses
Head TypesRound head (smooth top) and Hex head (screwdriver-friendly)Round head for flush mounting; hex head for torque applications
CertificationsCE, EPR Germany Packing, EPR France PackingCompliance for EU industrial and consumer markets
Surface FinishGalvanized, polished, or matteGalvanized for marine use; polished for aesthetic assemblies

Customization guide

Adjustable parameters:

  • Material: Switch to stainless steel for chemical resistance or brass for lightweight applications.
  • Thread Size: Customize thread pitch or diameter to match specific bolt standards.
  • Surface Treatment: Opt for anodizing or coating to enhance durability or appearance.

Get inspired

With a riveted design and metric thread compatibility, these nuts provide reliable fastening in demanding environments. Whether securing automotive parts or assembling industrial machinery, their material versatility ensures optimal performance.

Choose your model

ParameterBase Model (Steel)Advanced Model (Alloy Steel)Pro Model (Stainless Steel)
Material StrengthStandard tensile strength+20% yield strength+35% corrosion resistance*
Thread PrecisionClass 6H toleranceClass 5H toleranceClass 4H tolerance
Corrosion ResistancePassivated finishZinc plating304/316 Stainless Steel
Load Capacity1,500 N1,800 N (+20%)2,200 N (+46%)

Supplier's note

  1. Technical Breakthroughs:

    • Riveted Edges: Distribute stress evenly, reducing slippage by 40% compared to flat-edged nuts.
    • Metric Thread Uniformity: Precision-machined threads ensure 99.8% compatibility with global fastener standards.
    • Material Selection: Stainless steel Pro models exceed ISO 9015 corrosion benchmarks by 50%.

  2. Version Selection Guide:

    • Base Model: Ideal for general-purpose assembly (e.g., furniture, light machinery).
    • Advanced Model: Suitable for medium-duty industrial applications requiring higher strength (e.g., automotive brackets).
    • Pro Model: Best for harsh environments (e.g., marine equipment, chemical processing) where corrosion resistance and load capacity are critical.

With the Pro Model’s 316 stainless steel, you can ensure secure fastening in saltwater environments. With the Advanced Model’s alloy steel, you achieve 20% stronger joints for heavy machinery. Choose the Base Model to balance cost and performance for everyday use.

Frequently asked questions

  • Which round head captive nut model suits small machinery parts with limited space?

  • How do I choose between round head and hex head sleeve nuts for industrial machinery?

  • What’s the best material for outdoor machinery using captive nuts?

  • Can I customize thread sizes for non-standard industrial bolts?

  • How do I clean the riveted design to prevent corrosion?

  • Are brass captive nuts suitable for decorative machinery parts?

  • Are your captive nuts CE-certified for European machinery?

  • Does the surface finish guarantee rust resistance in humid conditions?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionIndustrial machinery, automotiveIndustry Standard: Carbon Steel (uncoated)
Our Base: Steel (CE certified)
Our Advanced: Stainless Steel (AISI 316, EPR France/Germany)		▲▲▲ Advanced: Resists corrosion in harsh environments (ASTM B117 salt spray test).
Base: Cost-effective for general use.		Base: Prone to rust over time.
Advanced: Higher cost.
Thread Size CompatibilityDiverse fastening needsIndustry Standard: Metric (ISO 261)
Our Base: Metric (m2.2–m16)
Our Advanced: Full metric range (m2–m16) with ±0.02mm tolerance		▲ Advanced: Precision fit for critical assemblies (e.g., aerospace).
Base: Covers 90% of standard applications.		Limited to metric systems (no imperial).
CertificationsEU market complianceIndustry Standard: CE
Our Base: CE
Our Advanced: CE + EPR France/Germany (WEEE Directive)		▲▲ Advanced: Streamlined EU waste compliance.
Base: Meets basic safety standards.		Base: Cannot sell in EU regions requiring EPR.
Head TypeTool accessibility vs space constraintsIndustry Standard: Hex Head
Our Base: Round Head (0.5mm lower profile)
Our Advanced: Hex Head (12mm wrench compatibility)		▲ Advanced: Superior torque control for heavy-duty applications.
Base: Flush mounting in tight spaces (e.g., electronics).		Base: Risk of rounding during over-tightening.
Load CapacityHeavy machinery, structural assembliesIndustry Standard: 500N
Our Base: 600N (ISO 898-1)
Our Advanced: 800N (▲▲▲)		▲▲▲ Advanced: Supports high-stress joints (e.g., construction equipment).
Base: Sufficient for automotive/light industrial.		Base: Not rated for extreme vibrations.
Corrosion ResistanceMarine, outdoor environmentsIndustry Standard: Uncoated steel (0.5mm/year corrosion)
Our Base: Zinc-plated (0.1mm/year)
Our Advanced: Stainless Steel (negligible corrosion)		▲▲▲ Advanced: 20-year lifespan in saltwater (ASTM B117).
Base: 5-year outdoor durability.		Base: Coating may chip during installation.

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