5/16"-18 X 3" Machine Screws | Pan Head | Phillips Drive | Steel Black Oxide (400/Pkg.)

Mutual ScrewSKU: 3148MPPBKC

Price:
Sale price$239.20per 400( $0.60 each)
Pieces 400
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 3
Material Steel
Grade Steel
Finish Black Oxide
Drive Phillips
Head style Pan
Threads per inch 18
Thread style Fully Threaded
Weight 24.0 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 strength and reliability, this machine screw delivers secure fastening in metal-to-metal applications. The Phil Pan head provides a classic Phillips drive for fast, precise installation, while the steel body offers durability in demanding environments. Finished with black oxide for a uniform dark appearance and added corrosion resistance in typical indoor use, this screw is ideal for a range of projects. Size is 5/16-18 with a standard length of 3 inches.

Key features

  • Head type: Phil Pan (Phillips Pan) head for reliable driving and a flush, rounded profile.
  • Material: Steel for strength and durability.
  • Finish: Black Oxide for a dark, uniform appearance and improved resistance to wear.
  • Thread size: 5/16-18 UNC for strong, coarse threading.
  • Length: 3 inches.
  • Drive: Phillips drive for fast tightening with standard tools.

Applications: Perfect for machines, equipment housing, automotive assemblies, electronics enclosures, and other metal-to-metal fixtures where a sturdy, reliable fastener is required.

Why choose these machine screws? They combine durable steel, a widely compatible Phillips drive, a practical 5/16-18 thread, and a timeless black oxide finish that looks great in any project while providing dependable performance during assembly and service.

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800-222-0324

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