Mutual Screw & Supply

#8-32 X 5/16" Red Patch Socket Cap Screws | Hex Head Hex Socket Drive | 18/8 Stainless Steel (2000 / Pkg.)

#8-32 X 5/16" Red Patch Socket Cap Screws | Hex Head Hex Socket Drive | 18/8 - Main image
$96.04 $137.2 In stock

These #8-32 x 5/16" socket cap screws are manufactured from 18/8 Stainless Steel, featuring a hex socket drive and a hex head. They are well suited to machinery, tooling, jigs, and precision assemblies.

  • Material and finish: 18/8 Stainless Steel
  • Drive: Hex Socket
  • Head style: Hex
  • Thread size: #8-32
  • Length: 5/16"
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Material: 18/8 Stainless Steel
  • Finish: Plain
  • Grade: 18/8
  • Head style: Hex
  • Drive type: Hex Socket
  • Thread size: #8-32
  • Length: 5/16"
  • Threads per inch: 32
  • Measurement type: Imperial
  • Features: Red Patch
  • Pack quantity: 2000 per package

Please note: This item is excess stock and is sold non-cancelable, non-refundable, and non-returnable. Please call us with any questions about this item before ordering.

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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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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)

Abigail P. ★★★★★

The red thread patch locks them in place nicely, so I don't have to worry about vibration loosening them during assembly. A full 2000-count pack means I won't be running out anytime soon.

Emma ★★★★★

The hex socket drive grabbed my 5/64" Allen key with zero wobble, and the red patch held tight through two rounds of vibration testing on my fixture. For two thousand pieces, the stainless finish looks clean and uniform—exactly what I needed for a production run.

George ★★★★★

These are the right call for jigs that get constant tightening and loosening. The red patch holds the threads in place without any extra Loctite, and the 18/8 stainless is showing zero rust after weeks in a humid shop. Need to use a proper hex key and they seat perfectly flush every time.