Mutual Screw & Supply

#3-56 Machine Screw Nuts | Hex Head | Steel Trivalent Zinc (5000 / Pkg.)

#3-56 Machine Screw Nuts | Hex Head | Steel Trivalent Zinc (5000 / Pkg.) - Main image
$14.52 $23.8 In stock

These #3-56 machine screw nuts are manufactured from Steel with a trivalent zinc finish, featuring a hex head. They are well suited to fastening metal parts, panels, and enclosures.

  • Material and finish: Steel, Trivalent Zinc finish
  • Head style: Hex
  • Thread size: #3-56
  • Applications: Fastening metal parts, panels, and enclosures

Specifications

  • Product type: Machine Screw Nuts
  • Material: Steel
  • Finish: Trivalent Zinc
  • Head style: Hex
  • Thread size: #3-56
  • Threads per inch: 56
  • Measurement type: Imperial
  • Pack quantity: 5000 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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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)

William Q. ★★★★★

Perfectly shaped hex heads make driving these into tight spaces a breeze, and the trivalent zinc finish looks clean and industrial. A full box of 5000 means I won't be reordering for a long time.

Sofia P. ★★★★★

The zinc coating is nice and even across all 5,000 pieces, so no rust worries for my panel assembly jobs. I’ve already used a couple hundred on a metal enclosure, and the hex head makes them easy to grip with a driver.

Robert X. ★★★★★

Finally, a bulk pack of #3-56 nuts that actually fits without fighting—the trivalent zinc finish is smooth and hasn’t shown a speck of rust after a week of assembling metal panels in my shop. 5000 pieces is a lot, but I’ve already used a couple hundred on enclosures and the hex heads grip my wrench