Brighton Best's 3/4 in. Plain Split-Lock Washers (400 Pack) provide a straightforward mechanical locking option for assemblies that may experience vibration, movement, or repeated operational stress. Installed beneath a nut or bolt head, the split configuration compresses as the fastener is tightened and provides spring tension intended to help resist loosening. The plain steel finish makes these washers appropriate for general indoor applications where enhanced corrosion protection is not a primary requirement. Their conventional split-lock washer design is commonly used in equipment assembly, machinery maintenance, fabrication, construction, automotive repair, and general hardware applications where a compatible threaded fastening assembly requires additional resistance to loosening.
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