5/16-18 X 1-1/4" Flat Head Cap Screws | Alloy Steel Thermal Black Oxide (100 / Pkg.)
Roll over image to zoom in Click on image to zoom
5/16-18 X 1-1/4" Flat Head Cap Screws | Alloy Steel Thermal Black Oxide (100 / Pkg.)

Image may not reflect complete product dimensions and specifications. Please call to confirm any questions.

5/16-18 X 1-1/4" Flat Head Cap Screws | Alloy Steel Thermal Black Oxide (100 / Pkg.)

Mutual ScrewSKU: 3120CSFBB
Price:
$38.35per 100( $0.38 each)
Pieces 100
Measurement type Inch
Thread size 5/16-18
Length 1-1/4
Material Alloy Steel
Finish Thermal Black Oxide
Drive Hex Socket
Head style Flat
Thread style Fully Threaded
Weight 2.7 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Cap Screws Flat Socket Alloy Thermal Black Oxide 5/16-18 X 1 1/4 are high-strength fasteners designed for secure, precise assemblies. Featuring a flat socket head and an alloy body, these screws are finished with a durable thermal black oxide for a clean appearance and improved corrosion resistance.

  • Head style: Flat Socket
  • Material: Alloy
  • Finish: Thermal Black Oxide
  • Thread size: 5/16-18
  • Length: 1 1/4 in
  • Type: Cap Screws (Flat Socket Head)

These cap screws are ideal for applications requiring a low-profile, flush seating with reliable torque retention. The 5/16-18 UNC threading is widely compatible with corresponding nuts and tapped holes, making them versatile for automotive, machinery, and industrial equipment projects. The alloy construction delivers strength and durability, while the thermal black oxide finish provides a professional look and added protection in demanding environments.

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

Recently viewed