Mutual Screw & Supply

5/16-18 X 1-1/2" Hex Head Cap Screws | USA Made | PFC9 Alloy Steel Yellow Zinc (100 / Pkg.)

5/16-18 X 1-1/2" Hex Head Cap Screws | USA Made | PFC9 Alloy Steel Yellow Zinc - Main image
$34.01 $46.59 In stock

5/16-18 x 1-1/2" hex head cap screws for machinery, equipment assembly and general industrial fastening.

  • PFC9 Alloy Steel Yellow Zinc construction
  • Hex head for wrench or socket drive
  • Made in the USA
  • Sold in packs of 100

Specifications

  • Thread Size: 5/16-18
  • Length: 1-1/2"
  • Threads Per Inch: 18
  • Material: Alloy Steel
  • Grade: PFC9
  • Finish: Yellow Zinc CR+6
  • 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 (4.6 / 5 · 5 reviews)

Eva H. ★★★★★

I was pleasantly surprised by the hex head's clean machining—it seated perfectly in my wrench without any wobble. The US-made quality is obvious in the consistent threads and the yellow zinc finish looks great on my tractor.

Ella ★★★★★

I needed these for a heavy-duty equipment repair, and the hex heads worked perfectly with my ratchet set. The yellow zinc coating looks durable and the threads ran smooth right out of the box.

Alexander ★★★★★

These hex heads fit perfectly with my 1/2" socket, and the yellow zinc finish should hold up well in my shop. They threaded cleanly into the tapped holes without any binding. Definitely beats the cheap hardware from the big box stores.