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  • M6 White Black Hex Protection Bolt Caps Plastic Hexagon Head Cover Pe Material Nut Bolt Cap Plastic Nut Cap 33mm 32mm
  • M6 White Black Hex Protection Bolt Caps Plastic Hexagon Head Cover Pe Material Nut Bolt Cap Plastic Nut Cap 33mm 32mm
  • M6 White Black Hex Protection Bolt Caps Plastic Hexagon Head Cover Pe Material Nut Bolt Cap Plastic Nut Cap 33mm 32mm
  • M6 White Black Hex Protection Bolt Caps Plastic Hexagon Head Cover Pe Material Nut Bolt Cap Plastic Nut Cap 33mm 32mm
  • M6 White Black Hex Protection Bolt Caps Plastic Hexagon Head Cover Pe Material Nut Bolt Cap Plastic Nut Cap 33mm 32mm
  • M6 White Black Hex Protection Bolt Caps Plastic Hexagon Head Cover Pe Material Nut Bolt Cap Plastic Nut Cap 33mm 32mm
M6 White Black Hex Protection Bolt Caps Plastic Hexagon Head Cover Pe Material Nut Bolt Cap Plastic Nut Cap 33mm 32mm
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M6 White Black Hex Protection Bolt Caps Plastic Hexagon Head Cover Pe Material Nut Bolt Cap Plastic Nut Cap 33mm 32mm

  • 100 - 9999 Pieces
    $0.03
  • 10000 - 99999 Pieces
    $0.02
  • >= 100000 Pieces
    $0.01

Customization:

Customized logo（Min.Order: 100000 pieces）
Customized packaging（Min.Order: 50000 pieces）
View product details

M6 White Black Hex Protection Bolt Caps Plastic Hexagon Head Cover Pe Material Nut Bolt Cap Plastic Nut Cap 33mm 32mm

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Protection & Sealing: Designed to shield hexagonal nuts from dust, moisture, corrosion, and mechanical damage, ensuring longevity of fasteners in harsh environments.
  • Universal Compatibility: Fits M6 thread size with precise hexagonal base alignment, supporting secure installation and removal via standard tools.

Key features

  • 1. Corrosion-Resistant Material Technology

    • With corrosion-resistant plastic material (e.g., polypropylene), protect nuts from rust and environmental damage in outdoor or industrial settings. Outperforms traditional metal caps prone to oxidation in harsh conditions*.

  • 2. Hexagonal Base Design for Tool Compatibility

    • With a hexagonal base, install and remove caps effortlessly using standard wrenches or sockets, ensuring quick and secure fastening in tight spaces. Ideal for professional and DIY applications requiring precision.

  • 3. Versatile Thread Compatibility

    • With compatibility for M6 and other standard thread sizes (M5–M64), adapt to diverse bolt specifications, offering broader utility than single-size solutions*.

  • 4. Scenario-Specific Protection and Customization

    • Designed for construction, automotive, and industrial use, shield nuts from dust, moisture, and accidental damage during transportation or storage. Available in multiple colors (e.g., white/black) for color-coding or aesthetic matching.

  • 5. Industrial-Grade Surface Treatments

    • With surface treatments like zinc plating and anodizing, meet rigorous durability and safety standards for heavy-duty applications. Exceeds basic plastic caps in longevity and corrosion resistance*.

Product details

M6 White Black Hex Protection Bolt Caps Plastic Hexagon Head Cover Pe Material Nut Bolt Cap Plastic Nut Cap 33mm 32mm

The M6 Hex Protection Bolt Caps are durable plastic covers designed to safeguard hexagonal nuts from environmental damage. Crafted from corrosion-resistant polypropylene, these caps feature a dome-shaped top and hexagonal base for secure, tool-friendly installation. Available in white and black, they offer color-coding flexibility and protection across construction, automotive, and industrial applications.

Technical specifications

FeatureSpecificationBenefit
MaterialPolypropyleneCorrosion-resistant, UV-stable
Size33mm (diameter), 32mm (height)Snug fit for M6 thread standards
Thread CompatibilityM6Universal fit for standard hex nuts
Color OptionsWhite, Black, CustomizableAesthetic and functional color-coding
Weight20% lighter than metal alternativesEasy handling and reduced assembly load

Customization guide

Adjustable parameters include color (custom hues for safety/organizational coding), size (scaled to M4-M10 threads), and material thickness (for extreme load or temperature resistance).

Get inspired

Protect critical fasteners with these hex caps. Use white caps for high-visibility applications or black for heat-sensitive environments. Pair with nylon inserts for vibration resistance in machinery.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Material GradeStandard polypropyleneReinforced polymerUV-resistant composite
Temperature Range-20°C to +80°C-30°C to +100°C-40°C to +120°C*
Color Options2 standard colors5 pre-mixed colorsFully custom RGB
Load Capacity500N750N (+50%)1000N (+100%)

Supplier's note

  1. Technical Breakthroughs:

    • UV-resistant composite in Pro models extends lifespan by 30% in outdoor settings.
    • Reinforced polymer in Advanced versions reduces deformation under 750N loads.
    • Color-coding integration simplifies inventory management for industrial users.

  2. Optimal Version Selection:

    • Base Model: Ideal for standard assembly lines or indoor machinery (e.g., HVAC systems).
    • Advanced Model: Suited for automotive or marine environments needing heat/cold resilience.
    • Pro Model: Essential for aerospace or offshore equipment where extreme durability and precision are critical.

With the Pro’s UV-resistant composite, you can ensure long-term integrity in desert or coastal zones. Pair its 1000N load capacity with stainless steel nuts for corrosion-free performance. The Advanced model’s -30°C tolerance makes it perfect for winter construction projects. Choose Base for cost-effective protection in controlled settings.

Frequently asked questions

  • Which M6 hex nut cap size suits small mechanical components?

  • How to clean plastic hex nut caps after outdoor use?

  • Plastic vs Stainless Steel Hex Caps: Which is better for outdoor machinery?

  • Can I customize colors for bulk orders of hexagon head bolt caps?

  • Are plastic hex bolt caps corrosion-resistant for marine applications?

  • What industries use hexagon head plastic nut covers for bolt protection?

  • Do hex nut caps with hexagonal bases require special tools for installation?

  • Why choose dome-shaped plastic hex caps over flat covers for nuts?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHeavy machinery, outdoor applicationsIndustry Standard: Steel (ASTM A36, Yield 250 MPa) ▲ Our Base: Alloy Steel (ASTM A370, Yield 500 MPa) ▲ Our Advanced: Stainless Steel (ASTM A276, Yield 520 MPa)Enhanced durability and load capacity in advanced tiers.Cost increases with material grade (e.g., stainless steel is 30% costlier).
Corrosion ResistanceMarine environments, chemical plantsIndustry Standard: Zinc Plated (ISO 1461, 8–12 µm) ▲ Our Base: PVD Coating (ASTM B449, 5 µm) ▲ Our Advanced: Dacromet (ASTM F2329, 20 µm)Advanced coatings withstand 500+ hours salt spray (vs 240 hours for zinc).Dacromet requires specialized application (adds 2 days to production).
Installation EaseRapid assembly lines, field installationsIndustry Standard: Hexagon Head (ISO 4014) ▲ Our Base: Tapered Hex (ISO 10429) ▲ Our Advanced: Quick-Lock Mechanism (Custom Design)Quick-Lock reduces installation time by 40% (tested via torque wrench trials).Custom mechanisms may not fit standard wrenches (compatibility checks required).
Customization OptionsColor-coded systems, branding needsIndustry Standard: 2 Colors (Black/Gray) ▲ Our Base: 10+ Colors (Custom RAL) ▲ Our Advanced: Full Color Printing (ASTM D2244)Custom colors improve organization (e.g., red for high-voltage systems).Full printing adds 1–2 weeks to lead time.
WeightAerospace, portable equipmentIndustry Standard: Steel (7.85 g/cm³) ▲ Our Base: Aluminum (2.7 g/cm³) ▲ Our Advanced: Plastic (1.4 g/cm³)Plastic caps reduce payload by 82% (ideal for drones).Plastic versions have lower load limits (max 500 N vs 2,000 N for steel).
Thread CompatibilityPrecision engineering, varied threadsIndustry Standard: M6–M20 (ISO 261) ▲ Our Base: M3–M64 (ISO 261) ▲ Our Advanced: Custom Threads (Per Client Specs)Covers 90% of industrial thread sizes (vs 50% in industry standard).Custom threads may require client-specific tooling (costs $500–$2,000).

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