Mutual Screw & Supply

MS35333-40 | Mil-Spec Internal Tooth Lock Washers | Steel (600 / Pkg.)

MS35333-40 | Mil-Spec Internal Tooth Lock Washers | Steel (600 / Pkg.) - Main image
$6.6 $10 In stock

These internal tooth lock washers are manufactured from Steel. They are well suited to preventing fastener loosening under vibration.

  • Material and finish: Steel
  • Applications: Preventing fastener loosening under vibration

Specifications

  • Product type: Internal Tooth Lock Washers
  • Material: Steel
  • Finish: Plain
  • 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 (5.0 / 5 · 5 reviews)

Ava E. ★★★★★

These lock washers have a tight, even bite that held my mounting bolts secure after a full day of heavy vibration. The steel feels properly hardened, and you get a generous 600 pieces for the price.

Ellie K. ★★★★★

Installed a full pack of these on the trailer hitch bolts that kept backing out on gravel roads. The internal teeth really bite into the metal surface, and the steel feels rigid enough to hold its shape even when torqued down hard.

Scarlett ★★★★★

My work table saw used to rattle screws loose constantly, but these lock washers grabbed tight and held fast even under heavy use. The steel feels durable, and having 600 in a pack means I’m set for dozens of projects.