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

Mutual ScrewSKU: 0420SMP

Price:
Sale price$34.55per 100( $0.35 each)
Pieces 100
Measurement type Inch
Thread size #4-40
Length 1-1/4
Material 18/8 Stainless Steel
Grade 18/8
Finish Plain
Drive Spanner
Head style Pan
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-grade machine screws engineered for reliable fastening across metal and plastic assemblies in control panels, electronics enclosures, and compact machinery. They provide a flush install with a broad bearing surface and a spanner drive for controlled torque in demanding environments.

Specs

  • Dimensions: Length 1-1/4 inch
  • Finish: Uncoated stainless steel
  • Drive type: Spanner
  • Material grade: 304 stainless steel
  • Thread type: #4-40

Features

  • Corrosion resistance: 304 stainless steel provides robust corrosion resistance suitable for metal and plastic assemblies in industrial environments, including moisture exposure and outdoor-rated panels.
  • Head geometry: Pan head with broad bearing surface distributes load evenly and enables flush installation on panel surfaces.
  • Drive compatibility: Spanner drive supports precise torque control and consistent seating in automated or manual assembly processes.
  • Material compatibility: Optimized for sheet metal, control panels, electronic enclosures, chassis, and compact industrial hardware where a low-profile, high-strength fastener is required.
  • Finish flexibility: Uncoated stainless steel provides predictable performance and can be compatible with subsequent finishing or passivation steps as needed.

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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