Mutual Screw & Supply

3/8-16 X 1-1/8" Hex Head Cap Screws | USA Made | Grade 8 Steel Yellow Zinc | Fully Threaded (100 / Pkg.)

3/8-16 X 1-1/8" Hex Head Cap Screws | USA Made | Grade 8 Steel Yellow Zinc | - Main image
$35.15 $58.58 In stock

3/8-16 x 1-1/8" 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: 3/8-16
  • Length: 1-1/8"
  • Threads Per Inch: 16
  • Material: Steel
  • Grade: Grade 8
  • Finish: Yellow Zinc CR+3
  • Thread Style: Fully Threaded
  • Pack Quantity: 100
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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 (5.0 / 5 · 5 reviews)

Timothy ★★★★★

I needed some high-strength bolts for a stubborn mower deck repair, and these Grade 8 hex heads seated perfectly with a socket wrench. The threading was clean and consistent through all 100 pieces, making assembly quick.

Charlotte ★★★★★

The yellow zinc coating on these Grade 8 bolts looks great and seems to offer solid corrosion resistance right out of the pack. I used them to secure a heavy-duty workbench leg, and the fully threaded shaft gave a very tight, reliable hold.

Eli H. ★★★★★

I needed a strong fastener for a jig I’m building and the yellow zinc coating on these Grade 8 hex heads makes them look clean and resist rust. Threading them into tapped holes was smooth and they seated flush without any wobble.