Mutual Screw & Supply

5/16" Flat Washers | Steel Zinc Plated (100 / Pkg.)

5/16" Flat Washers | Steel Zinc Plated (100 / Pkg.) - Main image
$19.7 $30.3 In stock

These #11 flat washers are manufactured from Steel with a zinc plated finish, featuring a flat head. They are well suited to distributing load and protecting surfaces under fasteners.

  • Material and finish: Steel, Zinc Plated finish
  • Head style: Flat
  • Thread size: #11
  • Applications: Distributing load and protecting surfaces under fasteners

Specifications

  • Product type: Flat Washers
  • Material: Steel
  • Finish: Zinc Plated
  • Head style: Flat
  • Thread size: #11
  • 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)

Emma S. ★★★★★

Perfectly sized for my project—the 5/16" inner diameter fits snugly on standard bolts. I grabbed a pack to spread the load when mounting brackets, and the zinc plating gives them a clean, uniform finish with no sharp edges. Really solid quality for the price.

Hazel S. ★★★★★

The zinc coating on these is smooth and even with no flaking, which matters when I'm using them on outdoor furniture. They slipped right onto the bolts without any fuss, and a full bag is plenty for random projects.

Kevin ★★★★★

These washers are consistently sized and the zinc coating is even, so they work perfectly under bolt heads without rusting. I used them on a trailer fender repair and the load distribution is exactly what I needed.