Mutual Screw & Supply

NAS1676C416 | Mil-Spec Lock Washers (100 / Pkg.)

NAS1676C416 | Mil-Spec Lock Washers (100 / Pkg.) - Main image
$9.6 $15 In stock

These lock washers are well suited to preventing fastener loosening under vibration.

  • Applications: Preventing fastener loosening under vibration

Specifications

  • Product type: Lock Washers
  • Measurement type: Imperial
  • Pack quantity: 100 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 (4.8 / 5 · 5 reviews)

Violet X. ★★★★★

My old lock washers couldn't handle the constant shaking from my compressor, but these mil-spec ones have kept every bolt tight for three months now. They sit flat and bite into the metal nicely.

Hannah ★★★★★

The vibration on my milling machine kept shaking ordinary washers loose every week, so I swapped in these mil-spec lock washers from the 100-count pack and haven't had to retighten a single bolt since. The split design bites into the fastener noticeably harder than the cheap hardware store ones I us

Jacob ★★★★★

Snapped a few onto a fence gate hinge repair and they held perfectly after a week of slamming. The mil-spec sizing feels more consistent than the last generic bag I bought.