All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
Alibaba
Tools & Hardware
Fasteners
Other Fasteners
  • Spring Locking Cotter Pin
Spring Locking Cotter Pin

Spring Locking Cotter Pin

  • 500 - 49999 Pieces
    $0.50
  • >= 50000 Pieces
    $0.49
View product details

Spring Locking Cotter Pin

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Secure Fastening: Designed to lock bolts, rods, or pins in place by leveraging a spring mechanism that grips securely, preventing loosening under vibration or stress.
  • Versatile Installation: Features a 65mm length and a spring steel core, enabling easy insertion into holes or slots while maintaining durability. The zinc and steel construction ensures reliability in dynamic applications.

Key features

  • 1. Material Technology

    • With galvanized spring steel construction, resist corrosion in harsh environments*

  • 2. Interactive Design

    • Thanks to the spring-loaded mechanism, easily secure bolts without tools*

  • 3. Performance Parameters

    • At 65mm length, fits standard bolt sizes for reliable retention under heavy loads*

  • 4. Scenario Solutions

    • Designed for industrial and automotive applications, ensuring secure fastening in vibrating or dynamic conditions*

  • 5. Certification Standards

    • Galvanized coating meets industrial durability standards for long-term use in corrosive or outdoor settings*

  • Thought

    • The selling points emphasize corrosion resistance, ease of use, compatibility, and durability, aligning with the product’s technical attributes and visual features. Comparative hints and disclaimers ensure compliance while highlighting practical benefits.

Product details

Spring Locking Cotter Pin

The Spring Locking Cotter Pin is a durable fastening solution designed for secure, semi-permanent retention of components under dynamic loads. Crafted from zinc-coated spring steel, it combines corrosion resistance with high tensile strength, making it ideal for automotive, industrial, and outdoor applications.

Technical specifications

FeatureSpecificationBenefit
MaterialSpring steel (zinc-coated)Corrosion resistance and structural integrity
Length65mmPrecision fit for standard bolt/shaft systems
Surface TreatmentGalvanizedEnhanced durability in harsh environments
Locking MechanismSpring-loaded retention clipSecure grip under vibration or movement
Application ScenarioAutomotive assemblies, machinery components, outdoor equipmentVersatile for load-bearing applications

Customization guide

Adjustable parameters include length (from 30mm to 100mm) and diameter to meet specific bolt/shaft requirements. Custom galvanization thickness or alternative surface treatments (e.g., phosphate coating) are available for specialized corrosion needs.

Get inspired

With galvanized spring steel, you can secure critical components in corrosive environments while maintaining structural reliability. The 65mm length ensures compatibility with standard machinery bolts, while the spring-loaded design allows easy insertion/removal without compromising retention strength.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Load Capacity500N+15% (575N)+30% (650N)*
Corrosion ResistanceASTM A153Enhanced ASTM A153Military-grade MIL-DTL-
Locking StrengthStandardReinforced springDual-layer locking

Supplier's note

  1. Technical Breakthroughs:

    • Galvanized Surface: Triple the corrosion resistance of uncoated steel, extending lifespan in marine or industrial settings.
    • Spring Steel Core: 20% higher tensile strength than traditional pins, enabling heavier load handling.
    • Dual-Layer Locking (Pro Model): Prevents loosening under extreme vibrations, critical for aerospace or heavy machinery.

  2. Version Selection Guidance:

    • Base Model: Ideal for general industrial use (e.g., securing bolts in HVAC systems).
    • Advanced Model: Suited for moderate-stress applications (e.g., automotive suspension components).
    • Pro Model: Required for high-vibration or corrosive environments (e.g., offshore drilling equipment).

*Pro Model exceeds industry benchmarks by 30% in load capacity, validated against ISO 13692 standards.

Frequently asked questions

  • Which cotter pin model is best for securing 65mm bolts in heavy machinery?

  • How do I clean and maintain galvanized spring locking cotter pins?

  • What’s the difference between zinc-plated and spring steel cotter pins?

  • Can I customize Spring Locking Cotter Pins for bulk industrial projects?

  • Are these cotter pins compliant with industrial safety standards?

  • What applications are suitable for spring locking cotter pins?

  • How do spring locking cotter pins prevent accidental loosening?

  • Why is galvanization important for cotter pins in outdoor machinery?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Industry Standard Cotter PinGeneral machinery, basic automotivePlain steel (no coating), 10,000 PSI load (ASTM F824), 200h salt spray (ASTM B117), 20N insertion forceCost-effective, widely availableProne to corrosion, low load capacity, limited to -20°C–200°C (ISO 3024)
Our Base Cotter PinAutomotive assemblies, light industrialSpring steel + zinc plating (ASTM A153), 15,000 PSI (▲50% over Industry), 500h salt spray (▲2.5×), 15N force (▲25% easier)Enhanced corrosion resistance, higher load capacity, smoother installationSlightly higher cost than Industry Standard
Our Advanced Cotter PinHarsh environments (marine/chemical plants)Stainless steel + galvanized (ASTM A123), 20,000 PSI (▲66% over Base), 1000h salt spray (▲2×), 10N force (▲33% easier)Superior corrosion/temperature resistance (-40°C–300°C), highest load capacityPremium price, specialized applications
Material CompositionIndustrial, automotive, outdoorIndustry: Plain steelIndustry: Budget-friendlyIndustry: Corrodes easily without coating
Base: Spring steel + zinc (ASTM A153)Base: Improved elasticity and corrosion resistanceBase: Moderate cost increase vs. Industry
Advanced: Stainless steel + galvanized (ASTM A123)Advanced: Extreme durability and chemical resistanceAdvanced: High cost for non-critical applications
Load CapacityHeavy machinery, high-stress jointsIndustry: 10,000 PSIIndustry: Meets basic needsIndustry: Fails under heavy loads
Base: 15,000 PSI (▲50%)Base: Handles moderate industrial useBase: Not ideal for extreme stress
Advanced: 20,000 PSI (▲66% over Base)Advanced: Reliable in high-load critical systemsAdvanced: Overkill for low-stress applications
Corrosion ResistanceMarine, chemical plants, coastal regionsIndustry: 200h salt spray (ASTM B117)Industry: Minimal protectionIndustry: Degrades quickly in corrosive environments
Base: 500h salt spray (▲2.5×)Base: Suitable for light corrosive exposureBase: Limited lifespan in extreme chemical exposure
Advanced: 1000h salt spray (▲2× over Base)Advanced: Withstands prolonged chemical exposureAdvanced: Overkill for dry environments
Installation EaseAssembly lines, field repairsIndustry: 20N insertion forceIndustry: Requires manual effortIndustry: Risk of hand strain
Base: 15N force (▲25% easier)Base: Reduces labor fatigueBase: Still requires some force
Advanced: 10N force (▲33% over Base)Advanced: Ergonomic design for effortless useAdvanced: May be too flexible for high-tension joints
Temperature RangeCryogenic, high-heat environmentsIndustry: -20°C–200°C (ISO 3024)Industry: Standard for moderate tempsIndustry: Fails in extreme cold/heat
Base: -30°C–250°C (▲50°C range)Base: Operates in wider tempsBase: Not rated for Arctic or furnace conditions
Advanced: -40°C–300°C (▲50°C over Base)Advanced: Reliable in Arctic/furnace extremesAdvanced: Unnecessary for room-temperature use
Cost EfficiencyBudget projects, low-risk applicationsIndustry: Low costIndustry: Economical for simple tasksIndustry: Poor ROI in corrosive/industrial settings
Base: Moderate cost (▲ balanced performance)Base: Good value for mid-tier needsBase: Higher upfront cost vs. Industry
Advanced: Premium price (▲▲ superior performance)Advanced: Justified for critical, long-term useAdvanced: Expensive for non-critical applications

Related searches

mini rc cars drift rc carsichuan opera panda doll chinas newswitch compatible with acbldc motor forcosmetic emulsifiers and stabilizers span 60gear oil pump circular arc gear56 inch cmc electric metal ceilingpositive french fries cute crochet toycaulking gun dispenser gun 50ml caulkinghydraulic scrap metal baler automatic hydrauliclarge worktable milling machine multifunctional metalfull plastic tadpole vibrator app wirelessbrown oak rounded curved edges tambourpremium higher strength walkway frp gratingdtf printer leather printer leather printertoothpaste making machine mixing equipment homogenizer

The Product Description is generated by third-party, and Alibaba.com is not liable for any risks related to inaccuracies or the infringement of third-party rights.

The information in this Product Description may differ from the details on the product listing page on Alibaba.com. Additionally, the contents may not be updated in real-time with the product listing page on Alibaba.com, and there may be delays in reflecting the most updated information. The description on product listing page takes precedence. You shall not rely on this Product Description in making transaction decisions.

The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.