Mutual Screw & Supply

3/8 Internal Tooth Lock Washers | 410 Stainless Steel (100 / Pkg.)

3/8 Internal Tooth Lock Washers | 410 Stainless Steel (100 / Pkg.) - Main image
$2.41 $3.4 In stock

These #3 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: #3
  • Applications: Preventing fastener loosening under vibration

Specifications

  • Product type: Lock Washers
  • Material: 410 Stainless Steel
  • Finish: Plain
  • Grade: 410
  • Thread size: #3
  • 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)

Benjamin ★★★★★

Finally found lock washers that don't just spin when I tighten them down. These 410 stainless ones gripped the vibration test on my mower deck perfectly.

Victoria ★★★★★

The teeth bite down firmly on my shaft even under the drill's vibration; these 410 stainless washers are exactly what I needed for a secure fit.

Ava ★★★★★

Installed these on a small engine mount where vibration used to be an issue, and they've held perfectly so far. The 410 stainless steel feels sturdy, and the internal teeth really bite into the surface. Exactly what I needed for lasting fasteners.