Mutual Screw & Supply

12 Split Medium Lock Washers | 18-8 Stainless Steel (150 / Pkg.)

12 Split Medium Lock Washers | 18-8 Stainless Steel (150 / Pkg.) - Main image
$6.6 $10 In stock

These #12 lock washers are manufactured from 18-8 Stainless Steel. They are well suited to preventing fastener loosening under vibration.

  • Material and finish: 18-8 Stainless Steel
  • Thread size: #12
  • Applications: Preventing fastener loosening under vibration

Specifications

  • Product type: Lock Washers
  • Material: 18-8 Stainless Steel
  • Finish: Plain
  • Grade: 18/8
  • Thread size: #12
  • Measurement type: Imperial
  • Pack quantity: 50 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 (4.8 / 5 · 5 reviews)

Evelyn ★★★★★

Had to redo some outdoor equipment mounts and these #12 lock washers were perfect—the 18-8 stainless held up fine during a test with my impact driver. The bag of 150 is way more than I needed for one job, but the price makes it worth having extras on hand.

Madison ★★★★★

Installed these on a shelf bracket project where vibration was a concern—the 18-8 stainless held up perfectly when I tightened them down. Nice to have such a generous pack for future repairs too.

Ellie ★★★★★

I've used these on a few projects now and they hold up perfectly under vibration, the stainless finish hasn't shown a speck of rust even after some wet weather. The 150 count means I won't be running out anytime soon, and they fit my #12 bolts exactly as they should.