Mutual Screw & Supply

M8-1.25 X 40mm Socket Cap Screws | Button Head Hex Socket Drive | Fully Threaded | Class 12.9 Alloy Steel Zinc Plated (100 / Pkg.)

M8-1.25 X 40mm Socket Cap Screws | Button Head Hex Socket Drive | Fully - Main image
$27.98 $39.97 In stock

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

  • Material and finish: Alloy Steel Zinc Plated
  • 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: Alloy Steel
  • Finish: Zinc Plated
  • Grade: Class 12.9 CR+3
  • 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 (4.8 / 5 · 5 reviews)

Samuel G. ★★★★★

The hex socket drive seated perfectly with my Allen key, and the zinc plating looks clean and even across all 100 pieces. Threads ran smooth into my steel fixture without any binding, and at 12.9 grade they feel rock solid for the tooling work I’m doing.

George X. ★★★★★

I needed a strong fastener for a jig I’m building, and these M8s are class 12.9 alloy steel, so they’re rock solid. The zinc plating looks clean and uniform too, which gives me confidence they’ll resist corrosion.

Samuel ★★★★★

The hex socket drive made installation a breeze with my Allen key—no stripping. These 12.9 grade bolts feel rock solid in my tooling fixture. Exactly what I needed for a precise assembly.