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U.S. Lock Washers

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5/16" Grade 8 High Alloy Lock Washers
$29.55
3/8" Grade 8 High Alloy Lock Washers
$34.72
7/16" Grade 8 High Alloy Lock Washers
$29.40
1/2" Grade 8 High Alloy Lock Washers
$34.67
1/4" Grade 5 Spring-Type Lock Washer
$25.18
5/16" Grade 5 Spring-Type Lock Washer
$28.58
3/8" Grade 5 Spring-Type Lock Washer
$35.03
7/16" Grade 5 Spring-Type Lock Washer
$39.16
1/2" Grade 5 Spring-Type Lock Washer
$46.36
1/4" Grade 8 High Alloy Lock Washers
$24.72
5/8" Grade 5 Spring-Type Lock Washer
$57.25
3/4" Grade 5 Spring-Type Lock Washer
$54.19
9/16" Grade 8 High Alloy Lock Washers
$49.86
5/8" Grade 8 High Alloy Lock Washers
$60.26
3/4" Grade 8 High Alloy Lock Washers
$56.38
7/8" Grade 8 High Alloy Lock Washers
$75.90
1" Grade 8 High Alloy Lock Washers
$111.60
#4 (3/32") Internal Lock Washer
$12.34
#6 (1/8") Internal Lock Washer
$12.34
#8 (5/32") Internal Lock Washer
$12.34
U.S. Lock Washers

U.S. lock washers are designed to help prevent fasteners from loosening due to vibration and movement. Commonly used in automotive, machinery, and construction applications, these washers add extra security to bolted assemblies. If you need durable U.S. lock washers in a variety of sizes and styles, ROGO Fastener has a great selection.

What U.S. Lock Washers Do

Lock washers are installed under a nut or bolt head to create tension that resists loosening over time. Their design helps maintain a tight connection, even in applications subject to vibration or repeated use. U.S. lock washers offer benefits such as:

  • Helps prevent loosening from vibration
  • Improves overall fastening security
  • Easy to install with standard fasteners
  • Reliable performance in demanding environments

Browse Our Selection of U.S. Lock Washers Today

ROGO Fastener offers a quality selection of U.S. lock washers for automotive, industrial, and construction applications. Call us at (845) 692-7646 or contact us online.