#4-40 X 3/8" Machine Screws | 82 Degree Flat Head | Phillips Drive | Steel Black Zinc (10000/Pkg.)

Mutual ScrewSKU: 0406MPFBZKC

Price:
Sale price$272.31per 10000( $0.03 each)
Pieces 10000
Measurement type Inch
Thread size #4-40
Diameter 4
Length 3/8
Material Steel
Grade Steel
Finish Black Zinc
Drive Phillips
Head style 82 Degree Flat
Threads per inch 40
Thread style Fully Threaded
Weight 9.0 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

[10000 BULK] Machine Screws Phil 82 Degree Flat Steel Black Zinc 4-40 X 3/8 are precision-engineered Phillips-drive machine screws designed for a wide range of fastening tasks. Crafted from sturdy steel with a durable black zinc finish, these screws resist corrosion and provide reliable performance in metal enclosures, machinery, electronics, and general hardware applications.

Sold in a bulk 10,000-piece quantity, these small-diameter screws measure 4-40 with a 3/8 inch length, offering a compact, secure fastening solution for fine-detail assemblies and projects that require precise thread engagement.

Key features

  • Bulk quantity: 10,000 screws for long-running projects or stocking up your workshop
  • Drive type: Phillips (PH) for easy, common bit compatibility
  • Thread size: 4-40 (fine thread) for precise engagement
  • Length: 3/8 in (9.5 mm) to suit thin materials and compact assemblies
  • Material: Steel for strength and durability
  • Finish: Black zinc coating for corrosion resistance and a sleek look

Applications

Ideal for electronics enclosures, hobby projects, machinery, automotive assemblies, and any application requiring small-diameter, reliable machine screws in bulk.

Ensure a consistent supply on hand with this bulk-pack solution—ready to tackle ongoing builds, repairs, and projects with precision and lasting performance.

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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