Mutual Screw & Supply

MS21042-L02 | Mil-Spec Self-Locking Nuts | Steel (10 / Pkg.)

MS21042-L02 | Mil-Spec Self-Locking Nuts | Steel (10 / Pkg.) - Main image
$6.1 $10 In stock

These self-locking nuts are manufactured from Steel. They are well suited to securing fasteners against vibration loosening.

  • Material and finish: Steel
  • Applications: Securing fasteners against vibration loosening

Specifications

  • Product type: Self-Locking Nuts
  • Material: Steel
  • Finish: Plain
  • Measurement type: Imperial
  • Pack quantity: 10 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.

Before you pay

Check the method and total at checkout.

When it ships

Allow for processing time as well as the journey to you.

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

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

View policy
If you need a refund

Keep your order number and contact the store to start.

Please contact us for the refund processing timeframe before returning an item.

View policy
Delivery costs

Review the cost for your destination and chosen service.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy
Returning an item

Check the return conditions before sending anything back.

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

View policy

Customer Reviews (5.0 / 5 · 5 reviews)

Miles ★★★★★

I needed lock nuts for a farm gate that keeps shaking loose, and these stopped the rattle completely on the first try. The threads cut cleanly onto standard bolts, and the nylon insert holds firm even after a few rains. I’ll definitely buy a second pack for future projects.

Emma ★★★★★

The steel construction feels solid, and the self-locking mechanism held tight on my trailer hitch after a bumpy haul. For a ten-pack, these are a dependable grab when you need to fight vibration loosening without fuss.

Mia R. ★★★★★

Used a few of these on a shaky mower deck mount, and they haven't budged after hours of vibration. The steel threads bite cleanly without galling. Exactly what I needed for keeping fasteners secure.