Mutual Screw & Supply

#8-36 X 7/16" Socket Cap Screws | Flat Head Hex Socket Drive | Fully Threaded | Alloy Steel Thermal Black Oxide (400 / Pkg.)

#8-36 X 7/16" Socket Cap Screws | Flat Head Hex Socket Drive | Fully Threaded | - Main image
$28.32 $47.2 In stock

These #8-36 x 7/16" 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
  • Head style: Flat Head
  • Drive: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: #8-36
  • Length: 7/16"
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Head style: Flat Head
  • Material: Alloy Steel
  • Finish: Thermal Black Oxide
  • Drive type: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: #8-36
  • Length: 7/16"
  • Threads per inch: 36
  • Measurement type: Inch
  • 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 (4.6 / 5 · 5 reviews)

Charlotte ★★★★★

I needed a solid batch for some jig fixtures, and the black oxide finish on these screws gives them a nice grip without any galling. The hex socket seated perfectly every time with no stripping, even after repeated adjustments.

Amelia ★★★★★

The flat heads sit perfectly flush in my jig fixtures, and the black oxide finish actually helps them resist rust in my humid shop. The hex socket grip is solid—no stripped drive heads across all 400 pieces. Exactly what I needed for precision assembly work.

Hannah W. ★★★★★

I needed a batch of small, precise screws for a jig I was building, and the fully threaded shank on these #8-36s really grabs and holds tight in the tapped hole. The black oxide coating seems durable and hasn't flaked off during installation. Exactly what my tooling project needed.