Mutual Screw & Supply

9/16-12 X 2-1/2" Hex Head Cap Screws | USA Made | Grade L9 Alloy Steel Yellow Zinc | Partially Threaded (25 / Pkg.)

9/16-12 X 2-1/2" Hex Head Cap Screws | USA Made | Grade L9 Alloy Steel Yellow - Main image
$86.91 $142.47 In stock

9/16-12 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 25

Specifications

  • Thread Size: 9/16-12
  • Length: 2-1/2"
  • Threads Per Inch: 12
  • Material: Alloy Steel
  • Grade: Grade L9
  • Finish: Yellow Zinc CR+3
  • Thread Style: Partially Threaded
  • Pack Quantity: 25
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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)

Henry ★★★★★

The partially threaded design on these 9/16-12 bolts made tightening them down in tight spots much easier than fully threaded ones. The yellow zinc coating seems durable and the Grade L9 steel feels solid for heavy equipment assembly.

James ★★★★★

Just finished a big machine assembly job and these 9/16 bolts held perfectly under full torque. The yellow zinc coating looks solid and the partial threading made alignment much faster. Exactly what I needed for heavy equipment work.

Natalie Z. ★★★★★

Was a little worried about the partial thread length before ordering, but it’s exactly right for my jig fixture, and the hex heads seated cleanly with a socket. The yellow zinc finish looks tough and uniform across all 25, and the grade L9 steel feels reassuringly heavy for the price.