Mutual Screw & Supply

3/8-24 X 7/8" Hex Head Cap Screws | USA Made | Grade 8 Steel Yellow Zinc | Fully Threaded (100 / Pkg.)

3/8-24 X 7/8" Hex Head Cap Screws | USA Made | Grade 8 Steel Yellow Zinc | - Main image
$26.85 $42.62 In stock

3/8-24 x 7/8" 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 100

Specifications

  • Thread Size: 3/8-24
  • Length: 7/8"
  • Threads Per Inch: 24
  • Material: Steel
  • Grade: Grade 8
  • Finish: Yellow Zinc CR+3
  • Thread Style: Fully Threaded
  • Pack Quantity: 100
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When it ships

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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 (4.6 / 5 · 5 reviews)

Sophia ★★★★★

I needed some high-strength fasteners for a repair on my milling machine, and these Grade 8 bolts with the yellow zinc finish fit perfectly. The hex heads gripped the socket without any rounding, and all 100 threads were neatly cut and burr-free.

Violet G. ★★★★★

The threads are clean and consistent, so they thread into stainless nuts without any binding. I used these on a heavy-duty bracket mount and the Grade 8 strength gives me confidence it’ll hold up over time.

Zoe ★★★★★

These bolts fit perfectly into the machinery mount I was fixing, and the hex head gave my socket wrench a solid grip without slipping. The yellow zinc coating looks consistent across all 100 pieces, no duds in the batch.