Mutual Screw & Supply

3/8-16 X 7/8" Hex Head Cap Screws | Grade 8 Steel Yellow Zinc | Fully Threaded (1000 / Pkg.)

3/8-16 X 7/8" Hex Head Cap Screws | Grade 8 Steel Yellow Zinc | Fully Threaded - Main image
$117.99 $163.87 In stock

3/8-16 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
  • Sold in packs of 1000

Specifications

  • Thread Size: 3/8-16
  • Length: 7/8"
  • Threads Per Inch: 16
  • Material: Steel
  • Grade: Grade 8
  • Finish: Yellow Zinc CR+6
  • Thread Style: Fully Threaded
  • Pack Quantity: 1000
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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)

Edward J. ★★★★★

Replaced a batch of old bolts on my milling machine with these, and the Grade 8 hardness made torquing them down to spec feel solid. The yellow zinc coating is uniform across all 1,000 pieces, no bare spots. Perfect for a full overhaul without worrying about future rust.

Thomas Q. ★★★★★

The hex head on these bolts is machined perfectly, so my socket grabs tight without any slipping. They're fully threaded, which made lining up a tight bracket repair a breeze. Exactly what I needed for heavy-duty equipment.

Penelope ★★★★★

These hex bolts have a nice, clean yellow zinc finish and the threads are perfectly cut, so they drive in smoothly without any binding. I picked up a thousand for rebuilding some equipment and every single one came fully threaded just as described. Exactly what I needed for industrial machinery asse