Mutual Screw & Supply

5/8-11 X 8" Heavy Hex Cap Screws | ASTM A193 B7 Alloy Steel Plain | Partially Threaded (55 / Pkg.)

5/8-11 X 8" Heavy Hex Cap Screws | ASTM A193 B7 Alloy Steel Plain | Partially - Main image
$127.38 $193 In stock

ASTM A193 B7 Alloy Steel Plain hex head cap screws, partially threaded, size 5/8-11 x 8". A dependable fastener for machinery, equipment assembly, and general industrial use.

  • ASTM A193 B7 Alloy 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: 8"
  • Threads Per Inch: 11
  • Material: ASTM A193 B7 Alloy Steel Plain
  • Finish: Plain
  • Thread Style: Partially Threaded
  • Pack Quantity: 55
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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 (4.8 / 5 · 5 reviews)

Kevin O. ★★★★★

The partial threading on these B7 bolts is what sold me—I can torque them down tight without worrying about the threads chewing into my fixture plate. They came out of the box clean and well-oiled, and all 55 threaded smoothly on the first pass. My rig has been holding solid under load for two weeks

Matthew R. ★★★★★

Needed 55 of these for a pump mounting job and every single one seated flush without chasing any threads. The partial threading on the 8-inch length gave just the right grip for the thicker flanges I was bolting together.

Andrew ★★★★★

Needed a set of heavy-duty bolts for a pump baseplate replacement, and these 5/8-11s threaded in smoothly with no binding. The 8-inch length and partial thread gave just the right grip for the flange thickness.