Mutual Screw & Supply

M8-1.25 X 55mm Socket Cap Screws | Flat Head Hex Socket Drive | Partially Threaded | Class 10.9 Alloy Steel Zinc Plated (100 / Pkg.)

M8-1.25 X 55mm Socket Cap Screws | Flat Head Hex Socket Drive | Partially - Main image
$27.43 $38.64 In stock

These M8-1.25 x 55mm 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: Flat Head
  • Drive: Hex Socket Drive
  • Thread style: Partially Threaded
  • Thread size: M8-1.25
  • Length: 55mm
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Head style: Flat Head
  • Material: Alloy Steel
  • Finish: Zinc Plated
  • Grade: Class 10.9 CR+3
  • Drive type: Hex Socket Drive
  • Thread style: Partially Threaded
  • Thread size: M8-1.25
  • Length: 55mm
  • Measurement type: Metric
  • Pack quantity: 100 per package
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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)

Victoria T. ★★★★★

Installing these into a jig fixture I’m building, the threads caught smoothly and the zinc plating looks tough enough to resist shop grime. The 55mm length is perfect for clamping through a thick bracket without bottoming out.

Sebastian E. ★★★★★

The hex socket drive sits deep and clean, so my 6mm Allen wrench grips every one of the hundred without any stripping. The 10.9 alloy steel feels properly hardened too, thread engagement in my jig frame was solid. Exactly what I needed for the tooling rebuild.

Hazel ★★★★★

The zinc plating is holding up nicely after a week in a damp workshop, no rust spots yet. These M8s cinch down clean with a 5mm hex key and the partial thread gives just the right grip for my jig builds. Exactly what I needed for the tooling rack.