5/16-18 X 1/2" Flat Head Cap Screws | Alloy Steel Thermal Black Oxide (100 / Pkg.)
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5/16-18 X 1/2" Flat Head Cap Screws | Alloy Steel Thermal Black Oxide (100 / Pkg.)

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5/16-18 X 1/2" Flat Head Cap Screws | Alloy Steel Thermal Black Oxide (100 / Pkg.)

Mutual ScrewSKU: 3108CSFBB
Price:
$20.64per 100( $0.21 each)
Pieces 100
Measurement type Inch
Thread size 5/16-18
Length 1/2
Material Alloy Steel
Finish Thermal Black Oxide
Drive Hex Socket
Head style Flat
Thread style Fully Threaded
Weight 1.42 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

Engineered for reliable performance in metal assemblies, Cap Screws Flat Socket Alloy Thermal Black Oxide 5/16-18 X 1/2 delivers secure clamping with a clean, professional finish.

Made from durable alloy steel, this socket cap screw features a flat socket head and a thermal black oxide finish that blends strength with a low-profile appearance. Its 5/16-18 UNC threads ensure compatibility with standard fastener systems, while the 1/2 inch length provides versatile engagement in a variety of applications.

Key Features

  • Thread Size: 5/16-18 UNC
  • Length: 1/2 inch
  • Head Style: Flat Socket Cap Screw
  • Material: Alloy steel
  • Finish: Thermal Black Oxide
  • Drive Type: Socket (Allen)

Why Choose Thermal Black Oxide Socket Cap Screws

Enhance corrosion resistance and aesthetic with a discreet, durable finish. The alloy steel core delivers reliable strength for demanding engineering, machinery, and automotive projects, while the black oxide coating reduces glare and helps hide minor surface imperfections.

Applications

Ideal for machine assemblies, equipment maintenance, automotive repair, and any project requiring a strong, cleanly finished socket cap screw in 5/16-18 size.

Can We Help?

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

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