#4-40 X 1/2" Machine Screws | Flat Head | Slotted Drive | Steel Zinc Plated (100/Pkg.)
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#4-40 X 1/2" Machine Screws | Flat Head | Slotted Drive | Steel Zinc Plated (100/Pkg.)

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#4-40 X 1/2" Machine Screws | Flat Head | Slotted Drive | Steel Zinc Plated (100/Pkg.)

Mutual ScrewSKU: 0408MSF
Price:
$4.02per 100( $0.04 each)
Pieces 100
Measurement type Inch
Thread size #4-40
Diameter 4
Length 1/2
Material Steel
Grade Steel
Finish Zinc Plated
Drive Slotted
Head style Flat
Threads per inch 40
Thread style Fully Threaded
Weight 1.0 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

Our Machine Screws Slotted Flat Steel Zinc 4/40 x 1/2 are precision-made fasteners designed for secure, durable metal-to-metal connections. These slotted flat-head machine screws combine a robust steel core with a bright zinc finish to resist corrosion in a variety of environments. Ideal for electronics enclosures, machinery, and general hardware projects, they deliver reliable performance where a flush, finished appearance matters.

Key specifications

  • Thread size: 4-40
  • Length: 1/2 inch
  • Head style: Flat head
  • Drive type: Slotted
  • Material: Steel
  • Finish: Zinc-plated

Why choose these screws? The zinc plating provides corrosion resistance for longer service life, while the slotted drive enables quick installation with a standard screwdriver. Their flat-head profile ensures a neat, flush mount in paneling and metal applications, reducing snag risks and improving overall aesthetics.

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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