Mutual Screw & Supply

M5-0.8 X 50mm Socket Cap Screws | Hex Socket Drive | Partially Threaded | Class 12.9 Alloy Steel Thermal Black Oxide (400 / Pkg.)

M5-0.8 X 50mm Socket Cap Screws | Hex Socket Drive | Partially Threaded | Class - Main image
$32.5 $45.78 In stock

These M5-0.8 x 50mm socket cap screws are manufactured from Alloy Steel Thermal Black Oxide, featuring a hex socket drive. They are well suited to machinery, tooling, jigs, and precision assemblies.

  • Material and finish: Alloy Steel Thermal Black Oxide
  • Drive: Hex Socket Drive
  • Thread style: Partially Threaded
  • Thread size: M5-0.8
  • Length: 50mm
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Material: Alloy Steel
  • Finish: Thermal Black Oxide
  • Grade: Class 12.9
  • Drive type: Hex Socket Drive
  • Thread style: Partially Threaded
  • Thread size: M5-0.8
  • Length: 50mm
  • Measurement type: Metric
  • Pack quantity: 400 per package
Before you pay

Check the method and total at checkout.

When it ships

Allow for processing time as well as the journey to you.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy
If you need a refund

Keep your order number and contact the store to start.

Please contact us for the refund processing timeframe before returning an item.

View policy
Delivery costs

Review the cost for your destination and chosen service.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy
Returning an item

Check the return conditions before sending anything back.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

View policy

Customer Reviews (4.8 / 5 · 5 reviews)

Richard B. ★★★★★

The partially threaded shank made installation into my jig much easier than fully threaded bolts would have. These M5x50mm screws held firm under torque testing with no sign of stripping.

Violet ★★★★★

Installed these in a jig I'm building, and the hex socket drive made tightening them down in tight spots so much easier. The black oxide finish looks clean and feels durable for long-term use.

Edward O. ★★★★★

The partial threading on these M5 screws makes them perfect for clamping down jigs without bottoming out, and the black oxide finish handles oily shop conditions well. I used them to rebuild a fixture on my mill, and the hex drive seated firmly without stripping. They're a solid upgrade from lesser