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

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

Mutual ScrewSKU: 3124CSFBB
Price:
$42.64per 100( $0.43 each)
Pieces 100
Measurement type Inch
Thread size 5/16-18
Length 1-1/2
Material Alloy Steel
Finish Thermal Black Oxide
Drive Hex Socket
Head style Flat
Thread style Fully Threaded
Weight 3.01 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 1-1/2 provides strong, reliable fastening for a wide range of metal assemblies. Made from high-grade alloy and finished with a durable thermal black oxide, this socket cap screw delivers both strength and corrosion resistance in demanding environments.

Designed for a flush, clean appearance, the flat socket head sits smoothly in countersunk or recessed slots while the hex socket drive enables easy installation with standard Allen keys.

  • Material: Alloy
  • Finish: Thermal Black Oxide
  • Thread size: 5/16-18
  • Length: 1-1/2 in
  • Head style: Flat Socket
  • Drive type: Hex socket (Allen)
  • Applications: Mechanical assemblies, automotive, machinery, and equipment where strong clamping and corrosion resistance are required

Ideal for projects that demand dependable torque, consistent performance, and long service life. This cap screw pairs well with standard 5/16-18 fastener hardware and is compatible with common installation tools used in workshop, factory, and aerospace settings.

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800-222-0324

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