#4-40 X 3/8" Tamper Resistant Machine Screws | Flat Head | Pin-In Phillips Drive | 18/8 Stainless Steel (100/Pkg.)
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#4-40 X 3/8" Tamper Resistant Machine Screws | Flat Head | Pin-In Phillips Drive | 18/8 Stainless Steel (100/Pkg.)

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#4-40 X 3/8" Tamper Resistant Machine Screws | Flat Head | Pin-In Phillips Drive | 18/8 Stainless Steel (100/Pkg.)

Mutual ScrewSKU: 0406PSFM
Price:
$39.86per 100( $0.40 each)
Pieces 100
Measurement type Inch
Thread size #4-40
Length 3/8
Material 18/8 Stainless Steel
Grade 18/8
Finish Plain
Drive Pin-In Phillips
Head style Flat
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 designed for flush mounting and high reliability across metal and plastic assemblies.

Flat head machine screws with a pin-in Phillips drive deliver a secure, tamper-resistant fastening for precision equipment such as electronics enclosures, cabinetry, and small machinery.

Specs

  • Dimensions: Major diameter 2.84 mm; Length 9.525 mm
  • Finish: 304 stainless steel (18/8)
  • Drive type: Phillips
  • Material grade: 18/8 stainless steel (304)
  • Thread type: 4-40

Features

  • Flush head: Low-profile seating minimizes protrusion for unobtrusive assemblies in metal-to-metal and metal-to-plastic joints.
  • Tamper resistance: Pin-in drive requires a matching driver with a pin hole, deterring unauthorized removal in critical equipment.
  • Corrosion resistance: 304 stainless steel delivers robust protection in humid or chemically aggressive environments.
  • Installation efficiency: Phillips drive enables quick, tool-friendly engagement with repeatable seating precision.
  • Applications: Electronics enclosures, cabinetry hardware, small machinery, panels, and appliances requiring a flush finish.

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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