Mutual Screw & Supply

M6-1 X 40mm Socket Cap Screws | Low Head Hex Socket Drive | Partially Threaded | Class 8.8 Alloy Steel (1000 / Pkg.)

M6-1 X 40mm Socket Cap Screws | Low Head Hex Socket Drive | Partially Threaded - Main image
$101.8 $137.57 In stock

These M6-1 x 40mm socket cap screws are manufactured from Alloy Steel, featuring a hex socket drive. They are well suited to machinery, tooling, jigs, and precision assemblies.

  • Material and finish: Alloy Steel
  • Drive: Hex Socket Drive
  • Thread style: Partially Threaded
  • Thread size: M6-1
  • Length: 40mm
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Material: Alloy Steel
  • Finish: Plain
  • Grade: Class 8.8
  • Drive type: Hex Socket Drive
  • Thread style: Partially Threaded
  • Thread size: M6-1
  • Length: 40mm
  • Measurement type: Metric
  • Pack quantity: 1000 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 (5.0 / 5 · 5 reviews)

Edward ★★★★★

These hex socket screws fit perfectly into my jig setup without any stripping issues. The partially threaded design really helps hold everything tight under vibration. For a bulk pack of 1000, the alloy steel quality is exactly what I needed for ongoing tooling projects.

Victoria ★★★★★

I’ve been using these for a few months now on precision tooling, and the low head profile saves space in tight spots. The class 8.8 hardness handles high torque without stripping, even with repeated adjustments.

Isabella G. ★★★★★

These worked perfectly for the jig I was building, and I appreciate the partially threaded design for clamping applications. The hex socket drive made installation straightforward with no cam-out issues, and the 1000-count box means I won’t need to reorder anytime soon.