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Durastar 3/4" ID x 1-3/16" OD Steel Washer

Volume discounts applied at checkout
  • 50-99 units: 5% Off
  • 100-199 units: 10% Off
  • 200+ units: 15% Off
Status: In Stock
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Most in-stock items ship same or next business day. Shipping rates shown at checkout.

PRODUCT CODE: WS-1219

Product Overview

Durastar 3/4" ID x 1-3/16" OD Steel Washer – Heavy-Duty Flat Washer for Secure Fastening


Key Features

  • Precise Inner Diameter: 3/4" ID for accurate and stable fastener fit
  • Outer Diameter: 1-3/16" OD offers ideal surface distribution
  • Material Strength: Made from high-grade steel for durability and longevity
  • Corrosion Resistance: Engineered to withstand harsh environments and prevent rust
  • Heavy-Duty Applications: Designed for high-load, high-pressure use cases
  • Stabilizing Function: Distributes load to minimize fastener loosening or damage
  • Versatile Fit: Compatible with a wide range of bolts, nuts, and structural components
  • Industrial-Grade Performance: Trusted in automotive, machinery, and construction sectors
  • USA Standard Sizing: Matches industry-standard dimensions for seamless integration
  • Reliable Fastening Solution: Ideal for use in demanding commercial and mechanical settings

The Durastar 3/4" ID x 1-3/16" OD Steel Washer is a premium-grade flat washer designed to provide exceptional support in both light and heavy-duty fastening applications. Its precision-engineered dimensions ensure a tight, stable fit around bolts and fasteners, while the robust steel construction delivers long-lasting strength in high-load environments.

This washer is built to evenly distribute the pressure exerted by fasteners, helping to reduce wear, prevent damage to surfaces, and maintain secure connections over time. Whether you're working on automotive repairs, industrial machinery, or structural assemblies, this washer meets the demands of professionals who rely on consistent performance.

Manufactured to meet stringent industry standards, the Durastar steel washer combines dimensional accuracy with corrosion-resistant performance. It’s an ideal choice for professionals seeking reliability, durability, and peace of mind in their fastening hardware.

Enhance Your Fastening Systems with Durastar

Choose the Durastar 3/4" ID x 1-3/16" OD Steel Washer to secure your projects with confidence. Experience precision-engineered quality trusted by industry experts across mechanical, industrial, and commercial sectors.

Technical Specs

Technical Specifications

  • Product Name: Durastar Steel Washer
  • Inner Diameter (ID): 3/4 inch
  • Outer Diameter (OD): 1-3/16 inch
  • Material: High-strength carbon steel
  • Finish: Corrosion-resistant coating for long-lasting protection
  • Application Type: Flat washer for general-purpose and heavy-duty fastening
  • Performance Features: Even load distribution, vibration resistance, and enhanced surface protection
  • Industry Use: Suitable for industrial, automotive, construction, and mechanical applications
  • Compliance: Meets common U.S. sizing and compatibility standards
  • Country of Manufacture: Made in the USA or sourced from trusted industrial suppliers
Key Features

Top 10 Product Features

  • Precision Fit: Features a 3/4" inner diameter and 1-3/16" outer diameter for accurate alignment with standard fasteners.
  • Heavy-Duty Steel Construction: Built from high-grade steel to provide superior strength and support under heavy loads.
  • Corrosion-Resistant Finish: Designed to resist rust and wear in demanding environments, extending product lifespan.
  • Load Distribution: Effectively spreads the force of fastening to reduce damage and surface indentation.
  • Versatile Compatibility: Works seamlessly with bolts, nuts, and screws in industrial, mechanical, and automotive settings.
  • Surface Protection: Helps prevent abrasion and damage to assembly surfaces during tightening.
  • Industrial-Grade Durability: Trusted by professionals for use in high-stress applications such as machinery, construction, and repair.
  • Reliable Performance: Maintains fastening integrity by preventing loosening due to vibration or movement.
  • Standardized Sizing: Manufactured to meet U.S. industry standards for consistent compatibility and installation.
  • Engineered for Professionals: Ideal for technicians, contractors, and maintenance crews needing dependable fastening hardware.
Ordering & Shipping Information

Transparent pricing

All pricing and quantity discounts are applied automatically. No promo codes required and no post-checkout price changes.

Upfront shipping costs

Shipping is calculated by order size and weight. Final shipping costs are shown before payment so there are no surprises.

Business-friendly ordering

We support bulk orders, repeat purchases, and fast quotes for larger or custom requirements.

Real support from product specialists

Need help confirming fit, compatibility, or application? Our team works directly with engineers, maintenance teams, and buyers every day.

Trusted by industrial and commercial customers

CasterHQ supplies casters and wheels for manufacturing, material handling, retail, and distribution environments nationwide.

  • Flat-rate shipping by order size. Final shipping cost shown before payment.
  • No post-checkout shipping adjustments or re-billing.
  • Most orders ship from our Texas headquarters near Dallas.

When will my order ship?

In-stock items typically ship same or next business day. Weekend orders ship Monday or Tuesday unless stated otherwise.

Will shipping cost more at checkout?

Shipping is not free on most orders. Your final shipping cost is shown before payment.

Typical transit times after shipment

Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas may take longer.

Made-to-order items (lead times)

Some custom products (select Made in USA casters, keyway wheels, drive wheels) are built after purchase and ship on a longer lead time. When applicable, the ship-time estimate is shown on the product page.

Need an exact freight quote for a large order?

Contact us before ordering and we’ll confirm total landed cost upfront. Contact us.

Additional Information

Durastar 3/4" ID x 1-3/16" OD Steel Washer – Industrial-Grade Flat Washer for Reliable Fastening


The Durastar 3/4" ID x 1-3/16" OD Steel Washer is expertly engineered to meet the demands of heavy-duty applications. Constructed from durable carbon steel, this flat washer is designed to offer exceptional performance in high-load and high-pressure environments. With a precision 3/4-inch inner diameter and 1-3/16-inch outer diameter, it provides a secure fit for standard fasteners and ensures balanced load distribution.

This washer’s corrosion-resistant finish enhances longevity, making it suitable for both indoor and outdoor use across various industries. Whether used in machinery, automotive repairs, structural installations, or commercial construction, the Durastar washer stands up to vibration, thermal expansion, and mechanical stress without compromise.

Engineered with attention to detail, the washer minimizes surface damage and fastener loosening, extending the life of your assemblies. Its versatile profile allows seamless integration into any fastening system that demands strength, stability, and reliability. Professionals across maintenance, manufacturing, and mechanical fields rely on Durastar for consistent performance backed by trusted engineering.

Ideal for a Wide Range of Applications

  • Automotive assembly and engine repairs
  • Industrial machinery maintenance
  • Heavy equipment installations
  • Construction and structural fastenings
  • General-purpose mechanical applications

Backed by Durastar Quality Standards

Durastar is a recognized name in precision hardware, trusted for delivering high-strength fastening components that meet industry standards. This steel washer reflects that commitment by offering dependable performance, consistent sizing, and quality control that professionals can rely on for every job.

Secure Your Projects with Confidence

Upgrade your fastening systems with the Durastar 3/4" ID x 1-3/16" OD Steel Washer—built for strength, designed for reliability, and trusted across industries. Make every connection count with hardware that performs under pressure.

Durastar 3/4
Durastar 3/4" ID x 1-3/16" OD Steel Washer

$3.00

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