Mutual Screw & Supply

1/4-28 X 5/16" Cup Point Socket Set Screws | Alloy Steel Zinc Plated (1000 / Pkg.)

1/4-28 X 5/16" Cup Point Socket Set Screws | Alloy Steel Zinc Plated (1000 / - Main image
$46.58 $67.5 In stock

1/4-28 x 5/16" cup point socket set screws in Alloy Steel Zinc Plated, with a hex socket drive for high-torque adjustment in tight spaces.

  • Hex socket drive
  • Cup Point tip
  • Alloy Steel Zinc Plated construction

Specifications

  • Thread Size: 1/4-28
  • Length: 5/16"
  • Point: Cup Point
  • Material: Alloy Steel Zinc Plated
  • Package Quantity: 1000
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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 (4.8 / 5 · 5 reviews)

Julian ★★★★★

I needed these for a tight spot on a machine rebuild, and the hex drive made adjustment really straightforward. The cup point tip gripped firmly without any slipping, and all 1000 screws arrived clean and uniform.

David ★★★★★

Zinc plating looks even and clean across all thousand pieces, and the cup point bites into the shaft without stripping even when I torque them down hard in tight spots. These are holding my machine guards steady after a month of vibration, which is exactly what I needed.

Michael L. ★★★★★

The cup point grips firmly on the shaft without marring it, and the hex drive made them easy to install in a tight spot. For a hundred pack, the zinc coating looks consistent across all pieces, so I'm confident they'll resist rust well. I've already used a dozen on a jig build, and they hold adjustm