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  • Right and Left Hand Threaded Hex Coupling Nuts Stainless Steel Brass Hexagon Fine Long Nut M3 M4 M5 M6 M8 M10 M12 1.25 3/8 5/8
  • Right and Left Hand Threaded Hex Coupling Nuts Stainless Steel Brass Hexagon Fine Long Nut M3 M4 M5 M6 M8 M10 M12 1.25 3/8 5/8
  • Right and Left Hand Threaded Hex Coupling Nuts Stainless Steel Brass Hexagon Fine Long Nut M3 M4 M5 M6 M8 M10 M12 1.25 3/8 5/8
  • Right and Left Hand Threaded Hex Coupling Nuts Stainless Steel Brass Hexagon Fine Long Nut M3 M4 M5 M6 M8 M10 M12 1.25 3/8 5/8
  • Right and Left Hand Threaded Hex Coupling Nuts Stainless Steel Brass Hexagon Fine Long Nut M3 M4 M5 M6 M8 M10 M12 1.25 3/8 5/8
  • Right and Left Hand Threaded Hex Coupling Nuts Stainless Steel Brass Hexagon Fine Long Nut M3 M4 M5 M6 M8 M10 M12 1.25 3/8 5/8
Right and Left Hand Threaded Hex Coupling Nuts Stainless Steel Brass Hexagon Fine Long Nut M3 M4 M5 M6 M8 M10 M12 1.25 3/8 5/8
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Right and Left Hand Threaded Hex Coupling Nuts Stainless Steel Brass Hexagon Fine Long Nut M3 M4 M5 M6 M8 M10 M12 1.25 3/8 5/8

  • 5000 - 49999 Pieces
    $0.04
  • 50000 - 99999 Pieces
    $0.03
  • 100000 - 999999 Pieces
    $0.02
  • >= 1000000 Pieces
    $0.01

Customization:

dimensions（Min.Order: 10000 pieces）
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Right and Left Hand Threaded Hex Coupling Nuts Stainless Steel Brass Hexagon Fine Long Nut M3 M4 M5 M6 M8 M10 M12 1.25 3/8 5/8

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Structural Support & Alignment: Hexagonal threaded nuts provide secure grip and precise alignment for mechanical and electronic assemblies, ensuring stability between components.
  • Material-Specific Applications:
    • Stainless Steel: Offers corrosion resistance and durability for harsh environments (e.g., marine, chemical processing).
    • Brass: Provides electrical conductivity and aesthetic appeal for electronic devices and decorative hardware.

Key features

  • 1. Material Technology

    • With stainless steel construction, you can achieve superior corrosion resistance in harsh environments compared to standard steel nuts*.

  • 2. Interactive Design

    • With hexagonal threading and precise internal threading, you can ensure secure alignment and grip during assembly, outperforming smooth-surface nuts*.

  • 3. Performance Parameters

    • With a comprehensive range of thread sizes (M2 to M12) and compatibility with both metric and imperial systems, you can accommodate diverse applications, expanding usability beyond standard nuts*.

  • 4. Scenario Solutions

    • Stainless steel variants are ideal for marine, chemical, or industrial settings where corrosion resistance is critical, outperforming non-stainless alternatives*.

  • 5. Certification Standards

    • With passivated finishes, you can meet food-grade and medical industry standards for hygiene-sensitive applications*.

Product details

Right and Left Hand Threaded Hex Coupling Nuts Stainless Steel Brass Hexagon Fine Long Nut M3 M4 M5 M6 M8 M10 M12 1.25 3/8 5/8

Our Right and Left Hand Threaded Hex Coupling Nuts are precision-engineered fasteners designed for structural support and component alignment in mechanical, electronic, and industrial applications. Available in stainless steel, brass, and aluminum alloys, these hexagon nuts feature fine threads in metric (M2–M12) and imperial sizes, offering corrosion resistance, conductivity, or lightweight solutions tailored to specific environments.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialStainless Steel (304/316), Brass, AluminumMarine equipment, electrical systems, lightweight machinery
Thread SizeM2, M2.5, M3, M3.5, M4, M5, M6, M8, M10, M12Custom fit for bolts in compact to medium-scale assemblies
FinishPlain, Passivated, Nickel PlatedEnhanced corrosion resistance for harsh environments
Measurement SystemMetric & ImperialGlobal compatibility for diverse engineering standards
Thread TypeFine Pitch (Right/Left Hand)Secure locking in vibrating or high-torque applications

Customization guide

Adjustable parameters include:

  • Material Grade: Opt for 316 stainless steel for extreme corrosion resistance or free-cutting brass for electrical conductivity.
  • Thread Length/Finish: Customize thread depth or add zinc plating for added durability in industrial settings.
  • Size Conversion: Convert between metric and imperial thread equivalents to match legacy systems.

Get inspired

With hexagonal designs and dual-handed threading, these nuts ensure precise alignment and anti-loosening performance. Whether securing marine machinery components or assembling delicate electronic circuits, our nuts provide reliable solutions for structural integrity and conductivity needs.

Choose your model

ParameterBase Model (Stainless Steel, Plain)Advanced Model (Passivated Finish)Pro Model (Nickel Plated)
Corrosion ResistanceMeets ASTM A177+15% vs. Base (Salt Spray Test)+30% vs. Base*
Thread VarietyM3–M12M2–M12M2–M12 + Imperial Sizes
ConductivityLowModerate (Brass Option)High (Brass Only)

Supplier's note

  1. Technical Breakthroughs:

    • Nickel Plating (Pro): Triple the corrosion resistance of industry benchmarks, enabling safe use in offshore equipment.
    • Dual-Handed Threads: Prevent loosening in high-vibration machinery, reducing maintenance downtime by 40%.
    • Metric/Imperial Flexibility: Simplifies global supply chains by eliminating conversion errors.

  2. Optimal Version Selection:

    • Base Model: Ideal for general industrial assembly (e.g., automotive frames) where cost-efficiency is prioritized.
    • Advanced Model: Choose for chemical plants or marine systems requiring enhanced durability without premium costs.
    • Pro Model: Best for aerospace or coastal infrastructure where extreme corrosion resistance and thread versatility are critical.

With nickel-plated stainless steel, you can ensure long-term durability in saltwater environments. With brass’s conductivity, you can safely ground electrical systems. With metric/imperial compatibility, you can streamline global projects.

Frequently asked questions

  • Which stainless steel spacer suits marine environments?

  • What brass spacers are best for electrical conductivity?

  • Can I customize thread sizes for M3 to M12 applications?

  • How do I clean stainless steel spacers to prevent corrosion?

  • Are your materials FDA-approved for food-grade applications?

  • What’s the benefit of nickel-plated finishes vs plain surfaces?

  • How do brass and stainless steel compare in durability?

  • Do you offer imperial or metric thread sizes for spacers?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Stainless Steel Hex Nuts (Plain)General mechanical assemblies, automotive- Plain finish (no corrosion protection)
- Thread sizes: M3-M12 (metric)
- Hexagonal shape (ISO 4032)		▲ Cost-effective base option
Universal tool compatibility		Limited corrosion resistance in harsh environments
Plain surface may require coating for extreme use
Stainless Steel Hex Nuts (Passivated)Marine, chemical plants, industrial equipment- Passivated finish (ASTM A967)
- Thread sizes: M3-M12 (metric)
- Hexagonal shape (ISO 4032)		▲ Enhanced corrosion resistance (▲ vs Base)
Meets industrial standards		Higher cost
Not suitable for high-temperature applications without further treatment
Brass Hex Nuts (Plain)Electrical enclosures, light machinery- Plain finish (no plating)
- Thread sizes: M3-M12 (metric)
- Hexagonal shape (ISO 4034)		Good electrical conductivity
Cost-effective for standard applications		Moderate corrosion resistance
Soft material may deform under high torque
Brass Hex Nuts (Nickel-Plated)Decorative hardware, corrosive environments- Nickel-plated finish (ASTM B431)
- Thread sizes: M3-M12 (metric)
- Hexagonal shape (ISO 4034)		▲ Superior corrosion resistance (▲ vs Base)
Enhanced aesthetic appeal		Higher cost
Plating may wear over time in abrasive conditions
Aluminum Hex Nuts (Plain)Aerospace, low-load electronics- Plain finish (anodized optional)
- Thread sizes: M3-M12 (metric)
- Hexagonal shape (ISO 4035)		Lightweight (▲ vs steel/brass)
Excellent thermal conductivity		Low tensile strength
Prone to galling without lubrication
Steel Hex Nuts (Plain)General construction, low-cost assemblies- Plain finish (uncoated)
- Thread sizes: M3-M12 (metric)
- Hexagonal shape (ISO 4033)		Highest load-bearing capacity (▲ vs aluminum)
Lowest cost		Prone to rust in humid environments
No corrosion protection without coating

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