#4-40 X 1" Tamper Resistant Machine Screws | Round Head | One Way Drive | 18/8 Stainless Steel (100/Pkg.)
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#4-40 X 1" Tamper Resistant Machine Screws | Round Head | One Way Drive | 18/8 Stainless Steel (100/Pkg.)

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#4-40 X 1" Tamper Resistant Machine Screws | Round Head | One Way Drive | 18/8 Stainless Steel (100/Pkg.)

Mutual ScrewSKU: 0416M1WR188
Price:
$18.33per 100( $0.18 each)
Pieces 100
Measurement type Inch
Thread size #4-40
Length 1
Material 18/8 Stainless Steel
Grade 18/8
Finish Plain
Drive One Way
Head style Round
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

Industrial fasteners engineered for reliability in metal-to-metal assemblies. These machine screws deliver corrosion resistance and precise seating in enclosed equipment, control panels, and compact mechanisms.

Specs

  • Diameter: #4 (0.112 inch)
  • Length: 1 inch
  • Thread type: 4-40 UNC
  • Drive type: One Way
  • Material grade: 18/8 stainless steel (304)

Features

  • One Way Drive: designed for one way installation with compatible tools, enabling rapid assembly in automated and manual lines and reducing risk of rework.
  • Corrosion resistance: 304 stainless steel provides durable resistance to humidity, condensate, and corrosive environments typical of electronics enclosures and instrument panels.
  • Head style: round head offers a smooth seating surface for flush or recessed installations in metal panels.
  • Application fit: ideal for electronic enclosures, instrument panels, control housings, and other metal-to-metal assemblies requiring compact fasteners with reliable retention.
  • Thread compatibility: 4-40 UNC threads align with standard machine screw practices, ensuring compatibility with tapped holes and compatible nuts in precision machinery.

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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