Mutual Screw & Supply

1"-8 X 3" Heavy Hex Cap Screws | ASTM A193 B7 Alloy Steel Plain (42 / Pkg.)

1"-8 X 3" Heavy Hex Cap Screws | ASTM A193 B7 Alloy Steel Plain (42 / Pkg.) - Main image
$122.93 $163.91 In stock

ASTM A193 B7 Alloy Steel Plain hex head cap screws, standard thread, size 1"-8 x 3". A dependable fastener for machinery, equipment assembly, and general industrial use.

  • ASTM A193 B7 Alloy Steel Plain construction
  • standard thread configuration
  • Hex head for wrench or socket drive
  • For machinery, equipment, and general-purpose fastening

Specifications

  • Thread Size: 1-8
  • Length: 3"
  • Threads Per Inch: 8
  • Material: ASTM A193 B7 Alloy Steel Plain
  • Finish: Plain
  • Thread Style: Standard
  • Pack Quantity: 42
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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 C. ★★★★★

The packaging was solid—all 42 of them arrived with threads clean and no oil residue mess. I’ve used cheaper alloy bolts that stripped under load, but these B7s held their torque on a pump flange without any give.

Ryan ★★★★★

These bolts torqued down perfectly on my press bracket without any galling, which I've had trouble with on lesser steel before. The 1"-8 threads were clean and started easily by hand, saving me a lot of frustration.

Benjamin C. ★★★★★

I was a bit worried the threads wouldn’t match my equipment, but these B7 alloy screws threaded in cleanly with no binding at all. The 1"-8 x 3" size gave me plenty of grip for a heavy flange assembly.