Mutual Screw & Supply

#0-80 X 5/16" Socket Cap Screws | Button Head Hex Socket Drive | 18/8 Stainless Steel (300 / Pkg.)

#0-80 X 5/16" Socket Cap Screws | Button Head Hex Socket Drive | 18/8 Stainless - Main image
$15.58 $22.26 In stock

These #0-80 x 5/16" socket cap screws are manufactured from 18/8 Stainless Steel, featuring a hex socket drive and a button head. They are well suited to machinery, tooling, jigs, and precision assemblies.

  • Material and finish: 18/8 Stainless Steel
  • Drive: Hex Socket
  • Head style: Button
  • Thread size: #0-80
  • 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: Button
  • Drive type: Hex Socket
  • Thread size: #0-80
  • Length: 5/16"
  • Threads per inch: 80
  • Measurement type: Imperial
  • Pack quantity: 100 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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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)

Daniel C. ★★★★★

Bought these for a small robotics jig, and the button head design is perfect for tight spaces where a flat head would bottom out. They’re strong enough to hold without stripping, even with a tiny hex key.

Adam Z. ★★★★★

The hex socket drive seated perfectly with my Allen key, no stripping even on the smallest ones. These are going into a precision assembly I’m building, and the 18/8 stainless gives me confidence they’ll hold up without corrosion.

Isabella V. ★★★★★

Used a handful of these for a small jig I was building, and the 18/8 stainless steel feels solid and corrosion-resistant. The button head sits flush and looks clean, no issues with the hex drive stripping out.