Mutual Screw & Supply

M8-1.25 X 40mm Socket Cap Screws | Button Head Hex Socket Drive | Fully Threaded | 316 Stainless Steel (100 / Pkg.)

M8-1.25 X 40mm Socket Cap Screws | Button Head Hex Socket Drive | Fully - Main image
$38.23 $53.84 In stock

These M8-1.25 x 40mm socket cap screws are manufactured from 316 Stainless Steel, featuring a hex socket drive. They are well suited to machinery, tooling, jigs, and precision assemblies.

  • Material and finish: 316 Stainless Steel
  • Head style: Button Head
  • Drive: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: M8-1.25
  • Length: 40mm
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Head style: Button Head
  • Material: 316 Stainless Steel
  • Finish: Plain
  • Grade: 316
  • Drive type: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: M8-1.25
  • Length: 40mm
  • Measurement type: Metric
  • Pack quantity: 100 per package
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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 (5.0 / 5 · 5 reviews)

Carter ★★★★★

Installed these on a marine railing project and the 316 stainless is holding up perfectly against the salt spray. The button head profile sits flush without snagging anything.

Ava ★★★★★

The hex socket drive grips perfectly with a standard Allen key, no stripping even when I torqued them down hard on a jig fixture. Fully threaded 40mm length gave me plenty of bite in the aluminum frame, and the 316 finish hasn't shown a speck of rust after a week of coolant exposure.

Alexander ★★★★★

Finally, 316 stainless socket caps that don't show surface rust after a few weeks on my marine gear. The hex drive seated perfectly in my driver without any stripping, and the 40mm length was exactly what I needed for those thicker brackets.