Mutual Screw & Supply

3/4-10 X 3-1/2" Socket Cap Screws | Hex Socket Drive | USA Made | Alloy Steel Thermal Black Oxide (25 / Pkg.)

3/4-10 X 3-1/2" Socket Cap Screws | Hex Socket Drive | USA Made | Alloy Steel - Main image
$71.37 $106.52 In stock

These 3/4-10 x 3-1/2" 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 size: 3/4-10
  • Length: 3-1/2"
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Material: Alloy Steel
  • Finish: Thermal Black Oxide
  • Drive type: Hex Socket Drive
  • Thread size: 3/4-10
  • Length: 3-1/2"
  • Threads per inch: 10
  • Measurement type: Inch
  • Pack quantity: 25 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)

Sebastian E. ★★★★★

The black oxide finish on these screws feels durable and looks great on my milling fixture. The hex socket drive seated perfectly with my Allen wrench.

Harper V. ★★★★★

These 3/4-10 socket caps fit my jig perfectly and the hex socket drive made installation a breeze with my Allen key. The alloy steel feels incredibly solid, and I appreciate that they're USA made for a consistent thread.

Avery P. ★★★★★

The black oxide finish on these screws held up perfectly during my jig assembly without any galling. The hex socket drive engaged firmly, making installation straightforward even in tight spaces. USA-made quality is evident from the crisp threads and consistent dimensions.