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Shaft Couplings
  • Special Price FCL Elastic Rubber Pin Flange Coupling Fastening Bolts Made China for Sale
  • Special Price FCL Elastic Rubber Pin Flange Coupling Fastening Bolts Made China for Sale
  • Special Price FCL Elastic Rubber Pin Flange Coupling Fastening Bolts Made China for Sale
  • Special Price FCL Elastic Rubber Pin Flange Coupling Fastening Bolts Made China for Sale
  • Special Price FCL Elastic Rubber Pin Flange Coupling Fastening Bolts Made China for Sale
  • Special Price FCL Elastic Rubber Pin Flange Coupling Fastening Bolts Made China for Sale
Special Price FCL Elastic Rubber Pin Flange Coupling Fastening Bolts Made China for Sale

Special Price FCL Elastic Rubber Pin Flange Coupling Fastening Bolts Made China for Sale

  • 10 - 99 Pieces
    $0.65
  • 100 - 499 Pieces
    $0.50
  • 500 - 9999 Pieces
    $0.36
  • >= 10000 Pieces
    $0.17

Customization:

Customized logo（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
View product details

Special Price FCL Elastic Rubber Pin Flange Coupling Fastening Bolts Made China for Sale

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Shock Absorption & Vibration Damping: The elastic rubber sleeve wrapped around the steel shank effectively reduces noise, wear, and vibration in dynamic applications, ensuring stable performance under impacts.
  • Flexible Shaft Alignment: Designed as a flange coupling fastening bolt, it accommodates minor shaft misalignment while securely connecting rotating components using a setscrew mechanism.

Key features

  • 1. Material Technology: Corrosion-Resistant Steel and Vibration-Damping Rubber Sleeve

    • With a corrosion-resistant steel body and a vibration-damping rubber sleeve, you can ensure long-lasting durability and reduce noise in harsh environments. The rubber sleeve design provides up to 30% less vibration transmission compared to standard bolts*.

  • 2. Interactive Design: Customizable Cushioning Sleeve

    • With a replaceable and customizable rubber sleeve, you can adjust cushioning levels to suit specific applications. This flexibility outperforms non-modular designs by enabling tailored vibration absorption*.

  • 3. Performance Parameters: Universal Compatibility and Flexibility

    • With a universal flange coupling structure and setscrew design, you can achieve seamless compatibility with diverse shaft sizes and rotational speeds. This adaptability offers up to 20% wider operational range than rigid couplings*.

  • 4. Scenario Solutions: Shock Absorption for Industrial and Automotive Use

    • Designed for machinery and automotive applications, these bolts provide critical shock absorption in high-vibration environments. Ideal for continuous industrial use, reducing wear and tear on connected components*.

  • 5. Certification Standards: Industrial-Grade Material Compliance

    • Constructed with materials meeting ISO mechanical fastener standards, you can ensure reliable performance in demanding environments. The steel components conform to industrial safety specifications*.

Product details

Special Price FCL Elastic Rubber Pin Flange Coupling Fastening Bolts Made China for Sale

The Special Price FCL Elastic Rubber Pin Flange Coupling Fastening Bolts combine durable steel construction with shock-absorbing rubber sleeves to provide reliable vibration damping and secure fastening in dynamic machinery applications. Designed for universal compatibility, these bolts are ideal for shaft couplings in industrial equipment, automotive systems, and heavy machinery.

Technical specifications

FeatureSpecificationApplication Scenario
Material CompositionRubber (sleeve) + Steel (body)Corrosion-resistant and high-stress environments
FlexibilityFlexible rubber sleeve for shock absorptionReduces noise and wear in vibrating machinery
Structural DesignUniversal flange coupling with setscrewMulti-shaft alignment in pumps, engines, and conveyors
Fastening TypeSetscrew mechanismSecure clamping for fluctuating torque loads

Customization guide

Adjustable parameters to meet specialized needs:

  • Sleeve Thickness: 1–5mm (customizable for varying damping requirements)
  • Sleeve Material: Options include silicone, neoprene, or EPDM for temperature/chemical resistance
  • Bolt Length: 20–100mm (tailored to shaft spacing requirements)

Get inspired

With the rubber sleeve, you can eliminate noise and prolong equipment lifespan in high-vibration settings. The universal flange design ensures seamless integration across diverse shaft systems, while the setscrew mechanism guarantees precise torque retention. Ideal for automotive engines, industrial pumps, or construction machinery where reliability under stress is critical.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Vibration Damping70% efficiency+15% (85% efficiency)+30% (100% efficiency)
Max Load Capacity1000 kg1200 kg1500 kg
Material QualityStandard steelGalvanized steelStainless steel
Temperature Range-20°C to 80°C-30°C to 100°C-40°C to 120°C

Supplier's note

  1. Technical Breakthroughs:

    • The rubber sleeve reduces vibration transfer by up to 30% compared to standard bolts.
    • Stainless steel bodies in Pro models offer 50% higher corrosion resistance than industry benchmarks.
    • The universal flange design cuts installation time by 20% via pre-aligned shaft compatibility.

  2. Optimal Version Selection:

    • Base Model: Suitable for standard industrial machinery (e.g., conveyor belts) with moderate load demands.
    • Advanced Model: Ideal for automotive or HVAC systems requiring enhanced temperature (-30°C to 100°C) and chemical resistance.
    • Pro Model: Engineered for heavy-duty applications like mining or offshore equipment, where extreme loads (1500 kg) and corrosion resistance are critical.

Example: The Pro version’s stainless steel body and 100% vibration damping enable safe handling of corrosive fluids in chemical pumps. Paired with its high load capacity, this creates a fail-safe solution for harsh industrial environments.

Frequently asked questions

  • Which model of flange coupling bolts is best for heavy machinery with high vibration?

  • How do I maintain rubber pin flange coupling bolts to prevent wear?

  • What’s the advantage of rubber vs. steel in flange coupling bolts?

  • Can these bolts be customized for specific vibration-damping needs?

  • Are these flange coupling bolts certified for industrial use?

  • Which flange coupling bolts suit compact machinery with tight spaces?

  • How do the setscrew-type bolts ensure secure flange alignment?

  • What’s the lifespan of rubber pin flange coupling bolts in harsh environments?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Rigid Flange Couplings (Industry Standard)High-torque machinery (pumps, turbines)Steel construction, no flexibility (ISO 1044 compliance)High torque capacity (up to 10,000 Nm), minimal backlashNo vibration damping, sensitive to misalignment (>0.1°)
Elastic Pin Flange Couplings (Our Base)Industrial machinery (conveyors, motors)Steel core + 3mm rubber sleeve (ASTM D2000 compliance)Vibration damping (12 dB reduction), cost-effectiveLimited load capacity (max 5,000 Nm), moderate wear resistance
Elastic Pin Flange Couplings (Our Advanced)Heavy industrial equipment (cranes, presses)Steel core + 5mm reinforced rubber sleeve (ASTM D2000 + ▲2mm over Base)Enhanced load capacity (▲50% to 7,500 Nm), 18 dB vibration reductionHigher cost, requires periodic sleeve inspection
Gear Flange CouplingsHigh-speed applications (generators, turbines)Interlocking steel gears (ISO 1329 compliance)Accommodates angular misalignment (up to 1°), durableHigh maintenance (greasing required), noise-prone (55 dB)
Diaphragm Flange CouplingsPrecision machinery (robots, CNC tools)Stainless steel diaphragm (ISO 1044 compliance)Zero-backlash, chemical resistance (ASTM F1383)Low torque capacity (max 3,000 Nm), rigid design limits flexibility
梅花 Elastic CouplingsLight industrial applications (fans, pumps)Rubber-steel梅花 (flower-shaped) design (GB/T 12792 standard)Compact size, cost-efficient for low-torque needsLimited vibration damping (8 dB reduction), no torsional stiffness

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