#4-40 X 5/16" Machine Screws | Flat Head | Phillips Drive | Steel Black Zinc (10000/Pkg.)
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#4-40 X 5/16" Machine Screws | Flat Head | Phillips Drive | Steel Black Zinc (10000/Pkg.)

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#4-40 X 5/16" Machine Screws | Flat Head | Phillips Drive | Steel Black Zinc (10000/Pkg.)

Mutual ScrewSKU: 0405MP1BZKC
Price:
$314.94 $409.37per 10000( $0.03 each)
Pieces 10000
Measurement type Inch
Thread size #4-40
Diameter 4
Length 5/16
Material Steel
Grade Steel
Finish Black Zinc
Drive Phillips
Head style Flat
Threads per inch 40
Thread style Fully Threaded
Weight 8.0 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

Phillips flat-head machine screws, forged from steel with a durable black zinc finish, size 4-40 x 5/16 inch. These screws are designed for precise, secure fastening in mechanical assemblies and enclosures where a flush, low-profile drive is essential.

Key Specifications

  • Type: Machine screws
  • Drive: Phillips
  • Head style: Flat-head (countersunk)
  • Material: Steel
  • Finish: Black zinc
  • Size: 4-40 thread, 5/16 inch long

Applications: These fasteners are suitable for electronics enclosures, equipment mounts, panels, and other assemblies requiring a smooth, flush fastener. The robust steel construction and black zinc coating resist corrosion in normal-use environments, while the Phillips drive ensures quick, reliable installation with standard screwdrivers.

Benefits: Secure seating, good torque tolerance, and long-lasting performance in a compact, lightweight screw.

Stock up with these versatile screws for your next project and ensure dependable performance across metal and mechanical assemblies.

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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