Mutual Screw & Supply

1/4-20 X 3/8" Socket Cap Screws | Hex Socket Drive | USA Made | Fully Threaded | 18/8 Stainless Steel (100 / Pkg.)

1/4-20 X 3/8" Socket Cap Screws | Hex Socket Drive | USA Made | Fully Threaded - Main image
$38.9 $58.06 In stock

These 1/4-20 x 3/8" socket cap screws are manufactured from 18/8 Stainless Steel, featuring a hex socket drive. They are well suited to machinery, tooling, jigs, and precision assemblies.

  • Material and finish: 18/8 Stainless Steel
  • Drive: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: 1/4-20
  • Length: 3/8"
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Material: 18/8 Stainless Steel
  • Finish: Plain
  • Grade: 18/8
  • Drive type: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: 1/4-20
  • Length: 3/8"
  • Threads per inch: 20
  • Measurement type: Inch
  • Pack quantity: 100 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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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)

Ryan U. ★★★★★

Finally, a socket head screw that doesn't strip when I'm torquing down jig fixtures—the hex drive bites perfectly every time. The 18/8 stainless finish looks clean and the fully threaded length made alignment a breeze on my tooling setup. Solid purchase for the price.

Sebastian ★★★★★

Used a full bag mounting brackets for a jig I'm building, and every single screw threaded clean without a single stripped head. The 18/8 stainless finish is smooth and uniform across all 100 pieces, which is more than I can say for cheaper hardware I've tried. These are solidly worth the extra cost

David ★★★★★

The hex socket drive grabbed perfectly with my Allen wrench, and the threads ran smooth without any binding. These are exactly what I needed for rebuilding a few jig fixtures in my shop.