#4-40 X 5/16" Machine Screws | Undercut Binder Head | Slotted Drive | Steel Zinc Plated (10000/Pkg.)
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#4-40 X 5/16" Machine Screws | Undercut Binder Head | Slotted Drive | Steel Zinc Plated (10000/Pkg.)

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#4-40 X 5/16" Machine Screws | Undercut Binder Head | Slotted Drive | Steel Zinc Plated (10000/Pkg.)

Mutual ScrewSKU: 0405MSBKC
Price:
$233.74per 10000( $0.02 each)
Pieces 10000
Measurement type Inch
Thread size #4-40
Diameter 4
Length 5/16
Material Steel
Grade Steel
Finish Zinc Plated
Drive Slotted
Head style Undercut Binder
Threads per inch 40
Thread style Fully Threaded
Weight 12.0 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

Machine Screws Slotted Undercut Binder Zinc Plated 4-40 X 5/16 are precision machine screws featuring a slotted drive and an undercut binder head. Finished in zinc plating for corrosion resistance, these screws deliver reliable performance in binder-style assemblies and compact equipment.

Specifications

  • Thread size: 4-40
  • Length: 5/16 in
  • Drive type: Slotted
  • Head type: Undercut binder
  • Finish: Zinc plated
  • Material: Steel

Applications

Ideal for binder assemblies, electronics enclosures, cabinetry, and various machine components where a compact, secure fastening with a flush profile is required. The 4-40 thread is a common size for small hardware and pairs with matching tapped holes or nuts.

Key Benefits

  • Corrosion resistance thanks to zinc plating
  • Precise 4-40 threading for consistent performance
  • Slotted drive allows easy installation with standard tools
  • Undercut binder head provides a clean, low-profile finish

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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