[5000 BULK] External Lock Washers 18/8 Stainless Black Oxide #5/16

Mutual ScrewSKU: 31WE188BKC

Price:
Sale price$374.60 Regular price$417.50per 5000( $0.07 each)
Pieces 5000
Material Steel
Grade 18/8
Finish Black Oxide
Nominal size #5/16
Weight 6.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Experience reliable, vibration-resistant fastening with External Lock Washers 18/8 Stainless Black Oxide #5/16. Precision?machined from 18/8 stainless steel and finished in black oxide, these washers deliver long?lasting performance in demanding environments.

Ideal for automotive, industrial, and outdoor applications where corrosion resistance and secure clamping are essential, these external lock washers help prevent loosening under heavy vibration and dynamic loads.

Key Features

  • Material: 18/8 stainless steel for excellent corrosion resistance and strength.
  • Finish: Black oxide adds extra protection and a low-profile, professional look.
  • Size: #5/16, designed to fit standard fasteners in that range.
  • Type: External lock washer engineered to bite into mating surfaces and resist loosening.
  • Applications: Suitable for machinery, automotive assemblies, outdoor equipment, and marine environments.

Why choose this washer? Its blend of stainless durability and black oxide protection helps prevent rust and corrosion while maintaining a clean appearance in finished assemblies. Designed for quick installation and reliable performance, it’s a essential component in any hardware kit.

Add to your hardware kit today to ensure secure, long?lasting fastenings across a wide range of projects.

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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