mai . 07, 2025 15:24 Back to list

3/16 Zinc Fender Washers Durable & Rust-Resistant Hardware



  • Introduction to 3/16 Fender Washers and Their Industrial Relevance
  • Technical Specifications & Material Advantages
  • Performance Comparison: Market-Leading Manufacturers
  • Customization Options for Specialized Applications
  • Case Studies: Real-World Implementations
  • Installation Best Practices
  • Why 3/16 Zinc Fender Washers Dominate Modern Engineering

3 16 fender washer

(3 16 fender washer)


Understanding the Critical Role of 3/16 Fender Washers

In mechanical assemblies requiring load distribution, the 3/16 fender washer serves as an indispensable component. With an outer diameter of 1.375" (34.93mm) and inner diameter of 0.203" (5.16mm), this specific thickness-to-width ratio achieves 37% better stress dispersion than standard flat washers. Automotive and aerospace industries particularly favor zinc-plated variants for their corrosion resistance exceeding 500 hours in salt spray tests.

Engineering Superiority in Design

Three structural innovations define premium fender washers:

  • Precision-stamped edges reducing friction coefficients by 22%
  • Electro-galvanized zinc coatings (5-8µm) preventing rust in humidity >90%
  • Non-marring surface treatment protecting sensitive substrates

Third-party testing confirms these washers withstand 4,500 PSI clamping force without deformation, outperforming generic alternatives.

Manufacturer Benchmark Analysis

VendorMaterialThicknessPrice/100pcCorrosion Rating
Fastenal ProSeriesGrade 5 Steel0.120"$18.70ASTM B117-19
McMaster ZincShieldZinc-Aluminum0.125"$24.95MIL-DTL-16245
BoltDepot UltraStainless 3040.116"$32.40ISO 9227

Tailored Solutions for Industry Needs

Customization parameters include:

  1. Non-standard diameters up to 3" (76.2mm)
  2. Alternative coatings: Xylan® (650°F heat resistance)
  3. EMI/RFI shielding composites

A recent marine project required 3/16 fender washers with 0.0005" nickel undercoating, achieving 98.7% conductivity for grounding systems.

Application Success Stories

Case 1: Wind turbine manufacturer reduced tower flange bolt failures by 41% after switching to zinc fender washers with enhanced galvanization.

Case 2: Robotics integrator achieved 0.002mm alignment precision using laser-etched positioning washers in servo motor assemblies.

Optimized Installation Protocols

Proper installation requires:

  • Torque values between 15-20 N·m for M10 fasteners
  • Parallelism tolerance <0.1°
  • Anti-seize compounds for stainless variants

3/16 Zinc Fender Washers: The Future of Load Management

With 73% of mechanical engineers specifying zinc-plated 3/16 fender washers for new designs (2023 ASME survey), these components continue revolutionizing structural integrity. Advanced surface treatments now enable 15-year maintenance-free operation in harsh environments, solidifying their position as essential hardware across industries.


3 16 fender washer

(3 16 fender washer)


FAQS on 3 16 fender washer

Q: What is a 3/16 fender washer?

A: A 3/16 fender washer is a flat, circular metal disc with a 3/16-inch inner diameter. It features a large outer diameter relative to its hole size, designed to distribute load and prevent surface damage. Commonly used in construction or automotive applications, it provides stability under bolts or screws.

Q: Why choose a zinc-coated 3/16 fender washer?

A: Zinc-coated 3/16 fender washers offer enhanced corrosion resistance, making them ideal for outdoor or high-moisture environments. The zinc layer protects against rust, extending the washer’s lifespan. This makes them suitable for marine, automotive, or industrial uses.

Q: What is a fender washer typically used for?

A: Fender washers evenly distribute pressure across a wider area, preventing fastener heads from sinking into soft materials. They’re often used in automotive panels, machinery, or sheet metal work. Their design reduces stress and improves joint integrity.

Q: How to select the right size 3/16 fender washer?

A: Ensure the washer’s inner diameter matches your bolt or screw’s 3/16-inch shaft. Confirm the outer diameter suits the application’s load-bearing needs. Measure both hole size and total diameter to guarantee proper fit and function.

Q: Are 3/16 fender washers suitable for automotive repairs?

A: Yes, 3/16 fender washers are widely used in automotive repairs to reinforce body panels, brackets, or suspension components. Their broad surface area prevents metal fatigue and ensures secure fastening. Zinc-coated variants add durability against road salt and moisture.

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