Mutual Screw & Supply

3/8-16 X 1" Hex Head Cap Screws | Grade 5 Steel Yellow Zinc | Fully Threaded (900 / Pkg.)

3/8-16 X 1" Hex Head Cap Screws | Grade 5 Steel Yellow Zinc | Fully Threaded - Main image
$63.88 $104.72 In stock

3/8-16 x 1" hex head cap screws for machinery, equipment assembly and general industrial fastening.

  • Grade 5 Steel Yellow Zinc construction
  • Fully Threaded
  • Hex head for wrench or socket drive
  • Sold in packs of 900

Specifications

  • Thread Size: 3/8-16
  • Length: 1"
  • Threads Per Inch: 16
  • Material: Steel
  • Grade: Grade 5
  • Finish: Yellow Zinc CR+6
  • Thread Style: Fully Threaded
  • Pack Quantity: 900
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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)

Ryan ★★★★★

Used these to bolt down a jig at the shop, and the hex heads grabbed perfectly with a socket – no stripping, even under torque. The fully threaded shank made alignment a breeze, and the yellow zinc finish still looks clean after a week of cutting fluid splatter. Pack of 900 is plenty for a couple of

Madison U. ★★★★★

The yellow zinc coating on these 3/8-16 bolts looks consistent across all 900 pieces, and the hex heads engage my socket wrench perfectly without slipping. Exactly what I needed for a large equipment assembly project—no stripped threads or duds in the batch.

Adam Z. ★★★★★

Needed a bulk batch of 3/8-16 x 1" bolts for a custom jig, and these Grade 5 hex heads handled the torque perfectly. The threads were clean and consistent across all 900 pieces, which saved me a lot of time sorting.