Mutual Screw & Supply

1/2-20 X 1-3/4" Socket Cap Screws | Hex Socket Drive | USA Made | Alloy Steel Thermal Black Oxide (225 / Pkg.)

1/2-20 X 1-3/4" Socket Cap Screws | Hex Socket Drive | USA Made | Alloy Steel - Main image
$300.9 $429.85 In stock

These 1/2-20 x 1-3/4" socket cap screws are manufactured from Alloy Steel Thermal Black Oxide, featuring a hex socket drive. They are well suited to machinery, tooling, jigs, and precision assemblies.

  • Material and finish: Alloy Steel Thermal Black Oxide
  • Drive: Hex Socket Drive
  • Thread size: 1/2-20
  • Length: 1-3/4"
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Material: Alloy Steel
  • Finish: Thermal Black Oxide
  • Drive type: Hex Socket Drive
  • Thread size: 1/2-20
  • Length: 1-3/4"
  • Threads per inch: 20
  • Measurement type: Inch
  • Pack quantity: 225 per package
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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)

Emily ★★★★★

The black oxide finish on these screws looks clean and holds up well against shop grime, and the hex socket drive seated my Allen wrench without any wobble. I’ve used about half the box on a pallet jig so far, and every one threaded true.

Grace ★★★★★

These hex heads fit perfectly in my jig’s tightening fixture, and the black oxide coating feels like it will resist rust way longer than standard hardware. Already used about half the pack for a heavy press build, and every one threaded clean without any chips or burrs.

Hazel M. ★★★★★

Needed a batch of 1/2-20 screws for a heavy-duty tooling project and these hex socket drives seated perfectly with no wobble. The black oxide finish seems tougher than other coated fasteners I’ve used, and the full 225 count means I still have spares left over.