McMaster

3/8" Stainless Steel Fender Washer – Heavy-Duty Corrosion-Resistant Washer

$0.82
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FAST SHIPPING Nationwide delivery options
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CONTRACTOR-GRADE BUILD Built for demanding professional work.
RELIABLE COMPONENTS Configured for dependable performance.
JOB-READY PERFORMANCE Designed to help crews work efficiently.
PRO-GRADE CONFIGURATION Flexible equipment and accessory options.
EXPERT SUPPORT Help before and after the sale.

OVERVIEW & BENEFITS

The 3/8" Stainless Steel Fender Washer is a premium-grade, wide-diameter washer designed to provide extra surface area for load distribution and secure fastening. Made from 304 stainless steel, this washer offers superior strength and corrosion resistance—perfect for pressure washing, softwash systems, marine, and industrial applications.

The larger outer diameter of a fender washer helps prevent pull-through and damage to soft materials such as plastic, fiberglass, or aluminum. It’s ideal for use in assembly, mounting brackets, and hardware connections exposed to moisture, chemicals, or outdoor environments.

Specifications & Details:

  • Product Type: Fender Washer

  • Material: 304 Stainless Steel

  • Inner Diameter (ID): 3/8"

  • Outer Diameter (OD): 1-1/4" (standard fender washer size)

  • Thickness: Approx. 0.06"

  • Finish: Polished stainless steel

  • Applications: Pressure washer and softwash assemblies, marine hardware, automotive, construction, and outdoor equipment

Features:

  • Made from corrosion-resistant 304 stainless steel

  • Extra-wide OD provides greater load distribution

  • Prevents pull-through in softer materials

  • Ideal for wet, chemical, or outdoor environments

  • Perfect for professional softwash and pressure washing rigs

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FREQUENTLY ASKED QUESTIONS

Is this product ready to use out of the box?

Setup requirements vary by product. Review the product description and included-items section, or contact our team before ordering for configuration details.

Can I finance this product?

Financing options may be available for qualified buyers. Use the financing link on this page to review current options.

What warranty applies?

Warranty coverage varies by manufacturer and product. Review the product details or contact support for the coverage associated with this item.

Do you offer product support?

Yes. Contact the Cigar City Softwash team for product-selection, setup, parts, and troubleshooting guidance.

NEED HELP CHOOSING?

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