Mutual Screw & Supply

5/8-11 X 2-1/4" Heavy Hex Cap Screws | USA Made | A307 Grade B Steel Plain | Partially Threaded (90 / Pkg.)

5/8-11 X 2-1/4" Heavy Hex Cap Screws | USA Made | A307 Grade B Steel Plain | - Main image
$108.97 $151.35 In stock

A307 Grade B Steel Plain hex head cap screws, partially threaded, size 5/8-11 x 2-1/4". A dependable fastener for machinery, equipment assembly, and general industrial use.

  • A307 Grade B Steel Plain construction
  • partially threaded configuration
  • Hex head for wrench or socket drive
  • For machinery, equipment, and general-purpose fastening

Specifications

  • Thread Size: 5/8-11
  • Length: 2-1/4"
  • Threads Per Inch: 11
  • Material: A307 Grade B Steel Plain
  • Finish: Plain
  • Thread Style: Partially Threaded
  • Pack Quantity: 90
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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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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 O. ★★★★★

Installing these on a trailer hitch project and the threads caught cleanly with no binding. The A307 grade B steel feels tougher than the usual hardware store bolts.

Zoe Q. ★★★★★

Used these on a pump skid rebuild and they threaded in smoothly with no galling. The grade B steel feels solid, and having 90 in the box covered the whole job.

Elizabeth ★★★★★

I needed a full 90-count for a structural repair and the partial threading made alignment much easier than fully threaded bolts. These are solid, well-formed hex heads that seated cleanly without any wobble.