Mutual Screw & Supply

7/16-20 X 2-1/2" Hex Head Cap Screws | USA Made | Grade L9 Alloy Steel Yellow Zinc | Partially Threaded (50 / Pkg.)

7/16-20 X 2-1/2" Hex Head Cap Screws | USA Made | Grade L9 Alloy Steel Yellow - Main image
$107.64 $168.18 In stock

7/16-20 x 2-1/2" hex head cap screws for machinery, equipment assembly and general industrial fastening.

  • Grade L9 Alloy Steel Yellow Zinc construction
  • Partially Threaded
  • Hex head for wrench or socket drive
  • Made in the USA
  • Sold in packs of 50

Specifications

  • Thread Size: 7/16-20
  • Length: 2-1/2"
  • Threads Per Inch: 20
  • Material: Alloy Steel
  • Grade: Grade L9
  • Finish: Yellow Zinc CR+3
  • Thread Style: Partially Threaded
  • Pack Quantity: 50
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Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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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)

Adam ★★★★★

Used these to bolt down a jig on my mill table and the partially threaded shank made alignment way easier than fully threaded bolts. The yellow zinc finish looks solid and they spun in smooth with a socket.

Isabella A. ★★★★★

The yellow zinc coating on these Grade L9 bolts held up perfectly during a heavy equipment repair. Threaded portion let me secure them fast, and the hex head gripped my socket tight without slipping.

Ruby ★★★★★

I've been using these 7/16-20 hex head cap screws for rebuilding some heavy machinery, and the partially threaded design makes them perfect for securing components where full threading isn't needed. The Grade L9 alloy steel feels incredibly tough, and they fit snugly with a standard socket without a