BM Products

Marine Grade Stainless Steel Washers for Boats & Fasteners

$0.20
Tax included.
Diameter: 3/16” M5 5mm
Size: Small

These Stainless Steel Washers are premium marine-grade fastening components designed for boating, marine fabrication, engineering, trailer repairs, and outdoor construction applications throughout New Zealand. Manufactured from corrosion-resistant stainless steel, these washers provide reliable load distribution, improved fastening stability, and long-lasting durability in harsh marine and coastal environments.

Designed to sit beneath bolt heads and nuts, stainless steel washers help spread fastening loads evenly across mounting surfaces, reducing the risk of damage, loosening, and material deformation. Their corrosion-resistant construction makes them ideal for saltwater exposure and demanding outdoor conditions where standard steel washers may quickly rust or deteriorate.

Suitable for use with stainless steel bolts, machine screws, threaded rod, and marine hardware, these washers are widely used in boats, trailers, deck fittings, rail systems, canopy frames, stainless fabrication, and general engineering work. Available in multiple sizes and styles, they are an essential fastening component for both professional marine installations and DIY repairs.

Marine-grade stainless steel washers are commonly manufactured using A4/316 stainless steel for superior corrosion resistance and long service life in marine environments.


Key Features

  • Marine-grade stainless steel washers
  • Excellent corrosion resistance
  • Designed for marine and outdoor use
  • Helps distribute fastening loads evenly
  • Reduces surface damage and wear
  • Suitable for stainless bolts and fasteners
  • Strong and durable construction
  • Ideal for saltwater environments
  • Professional marine hardware quality
  • Suitable for multiple fastening applications
  • Long-lasting outdoor durability
  • Available in various sizes and washer styles

Flat stainless steel washers are widely used to improve fastening stability and protect mounting surfaces from bolt and nut pressure.


Why Buy Stainless Steel Washers from Barton Marine NZ?

At Barton Marine NZ we supply quality marine-grade fasteners and stainless hardware designed for demanding New Zealand marine conditions. Our stainless steel washers are ideal for boat maintenance, marine fabrication, trailer repairs, and outdoor projects requiring dependable corrosion resistance and professional fastening performance.

Perfect for:

  • Boat hardware installations
  • Trailer repairs
  • Marine fabrication
  • Stainless steel fasteners
  • Deck fittings and rail systems
  • Marine engineering projects
  • Outdoor construction
  • DIY marine repairs
  • Dock and marina hardware
  • Workshop and fabrication use

Technical Specifications

Feature Specification
Product Type Stainless Steel Washers
Material Marine Grade Stainless Steel
Washer Type Flat
Corrosion Resistance Excellent
Suitable For Marine & Outdoor Applications
Fastener Compatibility Bolts, Nuts & Machine Screws
Marine Suitable Yes
Finish Stainless Steel

A4/316 stainless steel washers are commonly preferred for marine applications because they resist rust and saltwater corrosion better than standard plated steel washers.


Common Applications

These stainless steel washers are suitable for:

  • Boat deck hardware
  • Marine canopy systems
  • Trailer fastening
  • Stainless fabrication projects
  • Handrails and grab rails
  • Marine electronics mounting
  • Timber and fibreglass fastening
  • Coastal construction
  • Outdoor engineering projects
  • General workshop maintenance

Performance Benefits

These marine-grade stainless washers provide:

  • Outstanding corrosion resistance
  • Improved load distribution
  • Reduced fastening wear
  • Long service life
  • Reliable marine durability
  • Professional installation finish
  • Dependable outdoor performance

Marine-grade stainless washers are widely used in marine fastening systems because they help maintain secure installations while resisting harsh environmental exposure.

Diameter: 3/16” M5 5mm
Size: Small