Mutual Screw & Supply

1/4-20 X 5/8" Hex Head Cap Screws | USA Made | Grade 8 Steel Yellow Zinc | Fully Threaded (300 / Pkg.)

1/4-20 X 5/8" Hex Head Cap Screws | USA Made | Grade 8 Steel Yellow Zinc | - Main image
$29.27 $41.22 In stock

1/4-20 x 5/8" hex head cap screws for machinery, equipment assembly and general industrial fastening.

  • Grade 8 Steel Yellow Zinc construction
  • Fully Threaded
  • Hex head for wrench or socket drive
  • Made in the USA
  • Sold in packs of 300

Specifications

  • Thread Size: 1/4-20
  • Length: 5/8"
  • Threads Per Inch: 20
  • Material: Steel
  • Grade: Grade 8
  • Finish: Yellow Zinc CR+3
  • Thread Style: Fully Threaded
  • Pack Quantity: 300
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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)

James ★★★★★

These threads are rock solid, no doubt about it. The yellow zinc finish is clean and uniform across the whole bag, so they'll hold up well in my shop. A full box of 300 of these Grade 8s means I won't be running out for a long time.

Stella J. ★★★★★

Picked up a pack for bolting down some industrial shelving and was pleasantly surprised by the uniformity of the threading. The yellow zinc coating feels tough and each screw drove in smoothly without a single stripped head.

Timothy J. ★★★★★

Used these to rebuild a heavy-duty trailer hitch. The hex heads fit a standard socket perfectly and the yellow zinc coating already seems more corrosion-resistant than the plain steel bolts I had before.