McMaster

3/8" Stainless Steel Washer – .40" ID x .875" OD

$0.20
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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 Washer (.40" ID x .875" OD) is a precision-engineered, heavy-duty washer designed for use in high-performance pressure washing systems, softwash rigs, and industrial equipment. Manufactured from premium 304 stainless steel, this washer provides exceptional corrosion resistance, strength, and durability in harsh environments.

Perfect for use with 3/8" bolts, fittings, and hose assemblies, this washer evenly distributes load pressure, preventing surface damage and ensuring a secure, leak-free connection. It’s ideal for applications exposed to water, chemicals, and outdoor elements — providing long-lasting reliability in both professional and residential setups.

Specifications & Details:

  • Product Type: Flat Washer

  • Material: 304 Stainless Steel

  • Inner Diameter (ID): 0.40"

  • Outer Diameter (OD): 0.875"

  • Thickness: Standard grade (approx. 0.06")

  • Bolt/Fitting Size: 3/8"

  • Finish: Polished stainless steel

  • Applications: Pressure washers, softwash systems, plumbing assemblies, marine, and industrial hardware

Features:

  • Precision-machined for consistent fit and performance

  • 304 stainless steel construction resists rust and corrosion

  • Distributes load evenly to protect surfaces and fittings

  • Ideal for chemical and water exposure environments

  • Suitable for both commercial and residential use

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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?

Our team can help you select the right equipment, parts, and accessories.

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