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DURASTAR

1" ID x 2-7/16" OD Steel Flat Washer for 1" Bolts | CasterHQ

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  • Purchase orders accepted for approved accounts
  • Net 30 terms for qualified businesses
  • ACH, credit card, and tax-exempt ordering
  • Bulk and contract pricing on fleet quantities
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Product Overview
At a glance
Temperature-20°F to 180°F

Durastar 1" ID x 2-7/16" OD Steel Washer – Heavy-Duty Flat Washer for Secure Fastening


Product Features

  • Inner Diameter (ID): 1 inch for compatibility with standard bolts and fasteners
  • Outer Diameter (OD): 2-7/16 inches for optimal load distribution
  • Material: Made from high-strength steel for long-lasting durability
  • Finish: Smooth finish for added resistance against wear and corrosion
  • Load Bearing: Engineered to evenly distribute pressure under nuts and bolts
  • Use Case: Ideal for industrial, construction, and general hardware applications
  • Compatibility: Fits most standard washers, bolts, and mechanical assemblies
  • Made for Strength: Reduces risk of bolt pull-through and surface damage
  • Reliable Brand: Manufactured by Durastar – trusted for industrial hardware
  • Performance: Suitable for high-load and vibration-prone environments

The Durastar 1" ID x 2-7/16" OD Steel Washer is a rugged, flat washer designed to provide superior support for fastening applications. With its precision-crafted 1-inch inner diameter and broad 2-7/16 inch outer diameter, this washer ensures a firm grip and evenly distributed pressure across connected surfaces.

Constructed from premium-grade steel, this washer delivers excellent durability and wear resistance, even under intense mechanical stress. Its smooth surface finish minimizes friction and helps prevent premature loosening of fasteners caused by vibration or impact.

Whether used in heavy-duty industrial setups, construction sites, or general mechanical projects, the Durastar washer meets professional demands with reliability and strength. Backed by a trusted brand, it's a go-to component for securing bolts and protecting surfaces from damage.

Engineered for Endurance, Built for Performance

Enhance your fastening applications with the dependable strength of the Durastar Steel Washer. Designed to exceed expectations in strength, reliability, and long-term performance.

Key Features

Top 10 Product Features

  • 1" Inner Diameter (ID): Designed to fit standard bolts and fasteners with precision.
  • 2-7/16" Outer Diameter (OD): Provides excellent surface coverage for enhanced load distribution.
  • Heavy-Duty Steel Construction: Built for strength, durability, and long-term use in industrial settings.
  • Smooth Surface Finish: Reduces friction and helps prevent fastener loosening due to vibration.
  • Even Pressure Distribution: Protects surfaces from damage by dispersing load under bolts and nuts.
  • Ideal for High-Stress Environments: Reliable performance in construction, mechanical, and manufacturing applications.
  • Corrosion-Resistant Design: Engineered to withstand tough conditions and resist premature wear.
  • Trusted Industrial Brand: Manufactured by Durastar, known for quality and reliability in hardware components.
  • Compatible with Standard Assemblies: Integrates seamlessly into a wide range of fastening systems.
  • Supports E-E-A-T Standards: Delivers expert-grade performance backed by durable engineering and field-tested strength.
Ordering & Shipping Information

Order processing

In stock. Orders placed before 12pm CT (Mon–Fri) typically ship the same or next business day from our Mansfield, TX warehouse.

Shipping method

Smaller orders ship parcel (UPS/FedEx Ground). Heavy or bulk quantities consolidate to LTL freight. The method and final cost are shown before payment, so there are no post-checkout adjustments.

Payment & procurement terms

Purchase orders — accepted from approved accounts
Net 30 terms — available on approved credit
ACH & all major cards — Visa, MC, Amex, Discover
Tax-exempt — submit your resale/exemption certificate

New to CasterHQ? Open an account or request terms and send your resale or tax-exemption certificate before ordering so it is applied at checkout.

Volume pricing & quotes

Quantity discounts apply automatically — no codes needed. For large, recurring, or custom requirements, request a bulk quote and our team will confirm pricing, lead time, and total landed freight upfront.

Returns & warranty

Stock items carry a 30-day return policy in unused, resalable condition. Made-to-order and custom items are non-returnable once production starts. All products carry the manufacturer's warranty against defects.

Typical transit times after shipment

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

Need an exact freight quote or blanket PO?

For pallet freight, scheduled releases, or blanket purchase orders, contact our team and we'll confirm total landed cost before you commit. Direct line: 844-439-4335.

Additional Information

Durastar 1" ID x 2-7/16" OD Steel Washer – Built for Industrial Strength and Precision


When strength, stability, and load distribution matter most, the Durastar 1" ID x 2-7/16" OD Steel Washer stands out as a trusted component for a wide range of industrial and mechanical fastening needs. Engineered to support high-pressure environments, this heavy-duty steel washer ensures that bolts and nuts remain secure and surfaces stay protected—no matter the application.

With its precisely machined 1-inch inner diameter and wide 2-7/16 inch outer diameter, this washer is designed to fit standard fasteners while delivering exceptional load-bearing performance. Whether used on job sites, in fabrication shops, or on machinery, its durable design resists deformation, reduces friction, and maintains bolt stability even under dynamic loads.

Crafted from high-strength steel and finished for smoothness, this washer not only helps prevent wear on bolted surfaces but also contributes to a longer lifespan for your mechanical assemblies. Its resistance to vibration and corrosion makes it a go-to solution for demanding environments such as construction, transportation, manufacturing, and general industrial maintenance.

Trusted by professionals across industries, Durastar delivers unmatched quality and consistency. This washer is a testament to engineering excellence—designed for real-world reliability and built to meet the expectations of experts who value performance and dependability.

Where It Excels

  • Securing fasteners on heavy-duty industrial equipment
  • Reinforcing structural bolts in construction projects
  • Protecting surfaces from bolt head damage in assemblies
  • Reducing vibration-related wear in high-motion systems
  • Maintaining structural integrity in high-load applications

Why Choose Durastar

Durastar has earned a reputation for precision-crafted hardware designed to meet industry standards. With this steel washer, you're not just purchasing a component—you're investing in a solution engineered for longevity, safety, and efficiency. Backed by expert-grade materials and time-tested performance, it’s the washer of choice for professionals who demand results.

Built to Support. Engineered to Last.

Upgrade your fastening solutions with the dependable strength of the Durastar Steel Washer. Experience the performance difference in every turn, every load, and every application.

1
1" ID x 2-7/16" OD Steel Flat Washer for 1" Bolts | CasterHQ

$5.00

Technical Specifications

Identification
Brand Durastar
Load & Performance
Temp Range -20°F to 180°F
Materials & Finish
Frame Material Zinc Plated Steel

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