Mutual Screw & Supply

5/8-11 X 4" Heavy Hex Cap Screws | USA Made | A307 Grade B Steel Plain | Partially Threaded (50 / Pkg.)

5/8-11 X 4" Heavy Hex Cap Screws | USA Made | A307 Grade B Steel Plain | - Main image
$81.49 $121.63 In stock

A307 Grade B Steel Plain hex head cap screws, partially threaded, size 5/8-11 x 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: 4"
  • Threads Per Inch: 11
  • Material: A307 Grade B Steel Plain
  • Finish: Plain
  • Thread Style: Partially Threaded
  • Pack Quantity: 50
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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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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)

Benjamin ★★★★★

Needed a robust bolt for a steel fabrication project and these 4-inchers threaded perfectly into my tapped holes without binding. The A307 grade holds up well under load without any twisting on the torque wrench. Exactly what I look for in a heavy hex cap screw.

Adam V. ★★★★★

Tapped these into a heavy-duty machinery mount and the threads caught cleanly without any binding. The A307 Grade B steel feels solid and the partial threading made alignment easier than I expected.

Grace O. ★★★★★

Used these to secure a workbench frame and the threads were clean and consistent, no fighting to start a nut. The partial threading gives just the right grip depth without bottoming out. Solid 5/8-inch heft that inspires confidence for heavy loads.