[100 PKG] Machine Screws Pan Head Spanner 18/8 Stainless Steel 4-40 X 1/2

Machine Screws Pan Head Spanner 18/8 Stainless Steel 4-40 X 1/2 are precision fasteners engineered for durable, corrosion-resistant performance in electronics, machinery, panels, and cabinetry. Made from 18/8 stainless steel (AISI 304 equivalent), these screws offer reliable strength and a clean finish in demanding environments. The rounded pan head provides a smooth, low-profile appearance, while the spanner drive ensures secure seating and straightforward tool engagement.

Key Specifications

• Material: 18/8 stainless steel (AISI 304 equivalent) for excellent corrosion resistance
• Head type: Pan head for a comfortable, flush finish
• Drive style: Spanner drive for secure engagement with compatible tools
• Thread size & length: 4-40 UNC, 1/2″ length
• Finish: Bright, rust-resistant surface

Ideal Applications

These screws are suited for electronics enclosures, machinery, panels, appliances, and general assemblies. The 4-40 UNC thread is a standard choice for light-to-medium duty applications where space is limited and precision matters.

Whether you’re building a precision appliance, assembling an electronics rack, or undertaking a hobby project, these machine screws deliver dependable performance and a professional look. Stock up now to ensure you have the right fasteners on hand for quick, reliable installs.