Mutual Screw & Supply

1/2-13 X 3-1/2" Socket Cap Screws | Hex Socket Drive | Partially Threaded | 316 Stainless Steel (25 / Pkg.)

1/2-13 X 3-1/2" Socket Cap Screws | Hex Socket Drive | Partially Threaded | 316 - Main image
$51.44 $74.55 In stock

These 1/2-13 x 3-1/2" socket cap screws are manufactured from 316 Stainless Steel, featuring a hex socket drive. They are well suited to machinery, tooling, jigs, and precision assemblies.

  • Material and finish: 316 Stainless Steel
  • Drive: Hex Socket Drive
  • Thread style: Partially Threaded
  • Thread size: 1/2-13
  • Length: 3-1/2"
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Material: 316 Stainless Steel
  • Finish: Plain
  • Grade: 316
  • Drive type: Hex Socket Drive
  • Thread style: Partially Threaded
  • Thread size: 1/2-13
  • Length: 3-1/2"
  • Threads per inch: 13
  • 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)

David ★★★★★

The partially threaded shank made these perfect for securing a thick bracket without needing a separate spacer. They drove in smoothly with my hex key and the 316 stainless should handle the outdoor moisture just fine.

Sophia ★★★★★

The 316 stainless steel on these socket cap screws held up perfectly during my marine jig assembly, no rust after weeks of salt spray exposure. The partially threaded design made alignment in tight spots much easier than fully threaded bolts.

Leo Y. ★★★★★

The hex drive on these 1/2-13 screws gripped perfectly with my Allen wrench, no stripping at all. Used them to bolt down a heavy-duty tooling fixture, and the 316 stainless feels solid and corrosion-resistant. Exactly what I needed for a demanding assembly.