Mutual Screw & Supply

1/4 Internal-External Tooth External Tooth Lock Washers | 410 Stainless Steel (100 / Pkg.)

1/4 Internal-External Tooth External Tooth Lock Washers | 410 Stainless Steel - Main image
$14.8 $20 In stock

These #1 lock washers are manufactured from 410 Stainless Steel. They are well suited to preventing fastener loosening under vibration.

  • Material and finish: 410 Stainless Steel
  • Thread size: #1
  • Applications: Preventing fastener loosening under vibration

Specifications

  • Product type: Lock Washers
  • Material: 410 Stainless Steel
  • Finish: Plain
  • Grade: 410
  • Thread size: #1
  • 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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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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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 (5.0 / 5 · 5 reviews)

Carter Q. ★★★★★

Installed these on a couple of small engine mounts and they’ve held tight through several hours of runtime. The 410 stainless feels sturdy and the internal-external teeth grip well without marring the surface.

Richard ★★★★★

I needed some serious vibration resistance for a project, and these #1 lock washers fit the bill perfectly. They held tight even against a constant rattle from my workshop drill press.

Evelyn ★★★★★

The 410 stainless steel gives these a solid, rigid feel that I didn't expect at this price point. I've used them on a small vibration-prone assembly and the teeth bite in firmly, no loosening after a week of use.