[100 PKG] Machine Screws Round Head One Way 18/8 Stainless Steel 4-40 X 5/16
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[100 PKG] Machine Screws Round Head One Way 18/8 Stainless Steel 4-40 X 5/16

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[100 PKG] Machine Screws Round Head One Way 18/8 Stainless Steel 4-40 X 5/16

Mutual ScrewSKU: 0405M1WR188
Price:
$15.28per 100( $0.15 each)
Pieces 100
Measurement type Inch
Thread size #4-40
Length 5/16
Material Steel
Grade 18/8
Finish Stainless Steel
Drive One Way
Head style Oval
Threads per inch 40
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

Machine Screws Round Head One Way 18/8 Stainless Steel 4-40 X 5/16 deliver dependable fastening for metal enclosures, electronics, control panels, and other precision assemblies. Crafted from 18/8 stainless steel, these screws resist corrosion while providing strength in demanding environments.

Key Features

  • Material: 18/8 stainless steel for corrosion resistance and durability.
  • Head style: Round head with a broad bearing surface for even load distribution and a clean, finished appearance.
  • Drive / One-Way: One Way configuration designed for secure seating and controlled installation in compatible components.
  • Thread & Length: #4-40 threading with a 5/16 inch length, ideal for precision assemblies with shallow tapped holes.

Applications

Perfect for electronics enclosures, chassis, control panels, and machinery where a flush, reliable fastener is required. Whether you’re assembling equipment, repairing delicate electronics, or fabricating metal enclosures, these round head machine screws offer dependable performance and a professional finish.

Tip: Pair with compatible tapped holes and hardware for optimal grip and longevity.

Specifications

  • Thread: #4-40
  • Length: 5/16 in
  • Head style: Round head
  • Drive style: One-Way
  • Material: 18/8 stainless steel

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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