Mutual Screw & Supply

3/8-16 X 2-3/8" Hex Head Cap Screws | Grade 8 Steel Yellow Zinc | Partially Threaded (425 / Pkg.)

3/8-16 X 2-3/8" Hex Head Cap Screws | Grade 8 Steel Yellow Zinc | Partially - Main image
$180.28 $261.28 In stock

3/8-16 x 2-3/8" hex head cap screws for machinery, equipment assembly and general industrial fastening.

  • Grade 8 Steel Yellow Zinc construction
  • Partially Threaded
  • Hex head for wrench or socket drive
  • Sold in packs of 425

Specifications

  • Thread Size: 3/8-16
  • Length: 2-3/8"
  • Threads Per Inch: 16
  • Material: Steel
  • Grade: Grade 8
  • Finish: Yellow Zinc CR+6
  • Thread Style: Partially Threaded
  • Pack Quantity: 425
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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)

Stella R. ★★★★★

The hex heads seated perfectly with my socket wrench, and the yellow zinc finish feels like it will resist rust well in my shop. I used about half the box mounting a small conveyor section, and every single one threaded cleanly without any galling. Definitely a great value for a bulk project like th

Claire ★★★★★

I needed a solid batch of partially threaded bolts for a heavy equipment repair, and these grade 8 cap screws with yellow zinc held torque perfectly without stripping. The packaging of 425 pieces was a pleasant surprise—more than enough for future projects too.

Riley Y. ★★★★★

I needed partially threaded bolts for a hydraulic pump mount, and these grade 8s held up perfectly under the torque. The yellow zinc coating looks clean and hasn't shown any rust after a few weeks in the shop.