Mutual Screw & Supply

1-1/8-7 X 3-1/2" Heavy Hex Cap Screws | 18/8 Stainless Steel | Fully Threaded (2 / Pkg.)

1-1/8-7 X 3-1/2" Heavy Hex Cap Screws | 18/8 Stainless Steel | Fully Threaded - Main image
$21.62 $34.32 In stock

18/8 Stainless Steel hex head cap screws, fully threaded, size 1-1/8-7 x 3-1/2". A dependable fastener for machinery, equipment assembly, and general industrial use.

  • 18/8 Stainless Steel construction
  • fully threaded configuration
  • Hex head for wrench or socket drive
  • For machinery, equipment, and general-purpose fastening

Specifications

  • Thread Size: 1-1/8-7
  • Length: 3-1/2"
  • Threads Per Inch: 7
  • Material: 18/8 Stainless Steel
  • Finish: Plain
  • Thread Style: Fully Threaded
  • Pack Quantity: 2
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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 (4.6 / 5 · 5 reviews)

Claire T. ★★★★★

Bought these to bolt down a piece of equipment and the fully threaded shank let me torque them right down without running out of thread. The 18/8 stainless shrugged off a wet job site, no rust spots after a couple weeks outside. Heads took a big socket without rounding.

Samuel ★★★★★

These are chunky, well-machined bolts and the 18/8 stainless means I don't have to worry about rust on the trailer frame. Fully threaded was the right call for the thick plate I was bolting through, plenty of grip the whole way.

Alexander N. ★★★★★

Used these to bolt down a trailer hitch bracket and the threads were clean enough to run the nuts on by hand. The 18/8 stainless should hold up way better than the zinc ones I've been replacing every couple years.