#4-40 X 5/16" Machine Screws | 82 Degree Flat Head | Phillips Drive | 18/8 Stainless Steel Black Oxide (8000/Pkg.)

Mutual ScrewSKU: 0405MPF188BKC

Price:
Sale price$206.71per 8000( $0.03 each)
Pieces 8000
Measurement type Inch
Thread size #4-40
Diameter 4
Length 5/16
Material 18/8 Stainless Steel
Grade 18/8
Finish Black Oxide
Drive Phillips
Head style 82 Degree Flat
Threads per inch 40
Thread style Fully Threaded
Weight 7.0 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

Maximize your hardware efficiency with the [8000 BULK] Machine Screws Phil 82 Degree Flat 18/8 Stainless Black Oxide 4-40 X 5/16. This bulk pack delivers reliable, corrosion-resistant fasteners ideal for electronics, machinery, automotive, appliances, and DIY projects.

Key features:

  • Quantity: 8,000 screws per bulk pack for long-term projects and replenishment
  • Material: 18/8 stainless steel for durable, corrosion-resistant performance
  • Finish: Black oxide coating for low-reflectivity, extra corrosion protection
  • Head style: Flat head with an 82° countersink for flush mounting
  • Drive type: Phillips drive for easy, common tool compatibility
  • Thread size: #4-40
  • Length: 5/16" (7.94 mm)
  • Applications: Electronics assemblies, equipment enclosures, cabinetry, automotive dashboards, and general mechanical assembly

Why choose these screws?

  • Superior corrosion resistance thanks to 18/8 stainless steel
  • Black oxide finish reduces glare and adds an extra layer of protection
  • Standard #4-40 thread ensures compatibility with a wide range of components

Seasoned professionals and DIY enthusiasts rely on these bulk machine screws for consistent performance and easy replacement. Order your 8,000-pack today and streamline your projects with durable, ready-to-use fasteners.

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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