#4-40 X 1/2" Tamper Resistant Machine Screws | Flat Head | Pin-In Six Lobe Drive | 18/8 Stainless Steel (100/Pkg.)

Mutual ScrewSKU: 0408FTSM

Price:
Sale price$34.55per 100( $0.35 each)
Pieces 100
Measurement type Inch
Thread size #4-40
Length 1/2
Material 18/8 Stainless Steel
Grade 18/8
Finish Plain
Drive Pin-In Six Lobe
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 for precision assembly across electronics enclosures, cabinetry, appliances, and light to medium machinery. Flat head machine screws with pin-in six-lobe drive deliver flush, tamper-resistant fastening in visible assemblies.

Specs

  • Dimensions: Length 1/2 inch
  • Finish: Bright polished stainless finish
  • Drive Type: Six-Lobe Pin-In
  • Material Grade: 18/8 stainless steel (304)
  • Thread Type: 4-40

Features

  • Tamper-resistant drive: Six-Lobe Pin-In design provides controlled torque transfer and reduces risk of unauthorized removal during maintenance or field servicing.
  • Corrosion resistance: 304 stainless steel offers robust corrosion resistance in humidity, condensate, and mixed-metal environments common to electronics, cabinetry, and light industrial equipment.
  • Flush installation: Flat head countersunk geometry permits a level surface profile for panels, enclosures, and visible hardware applications.
  • Material compatibility: 18/8 stainless steel (304) ensures compatibility with standard coatings and substrates used in industrial assemblies.
  • Reliability under reuse: Precision seating torque supports consistent reseating across multiple assembly cycles, reducing the need for retorquing and improving maintenance efficiency.
  • Ideal applications: Electronics enclosures, appliance assemblies, cabinetry hardware, and light-to-medium industrial machinery where durability and aesthetic finish matter.

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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