Mutual Screw & Supply

MS21044B04 | Mil-Spec Self-Locking Nuts (50 / Pkg.)

MS21044B04 | Mil-Spec Self-Locking Nuts (50 / Pkg.) - Main image
$45.88 $62 In stock

These self-locking nuts are well suited to securing fasteners against vibration loosening.

  • Applications: Securing fasteners against vibration loosening

Specifications

  • Product type: Self-Locking Nuts
  • Measurement type: Imperial
  • Pack quantity: 50 per package

Please note: This item is excess stock and is sold non-cancelable, non-refundable, and non-returnable. Please call us with any questions about this item before ordering.

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When it ships

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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If you need a refund

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.6 / 5 · 5 reviews)

Violet ★★★★★

Installed these on a shaky trailer hitch and they haven't budged an inch since. The self-locking mechanism works exactly as described.

Riley F. ★★★★★

Used them on my motorcycle's license plate bracket and they haven't budged at all after a week of rough roads. The nylon locking collar really holds tight.

Lucy M. ★★★★★

I was skeptical these would hold up on my ATV, but the locking mechanism keeps bolts tight even after rough trails. Each nut has a clean, consistent thread and the fifty-pack covers several jobs. Nice to have peace of mind without extra tools.