#4-40 X 1/2" Machine Screws | Indented Hex Head | Slotted Drive | 18/8 Stainless Steel (5000/Pkg.)

Machine Screws Slotted Indented Hex 18/8 Stainless 4/40 x 1/2 are ideal for precise, secure assemblies in metal-to-metal connections. Crafted from 18/8 stainless steel, these screws deliver excellent corrosion resistance and dependable strength for demanding environments.

Designed for slotted drive applications with an indented hex head, these screws combine straightforward installation with a secure seating in a wide range of materials. The 4-40 thread size is a common choice for small- to mid-sized fastenings, and the 1/2 inch length provides versatility across various thicknesses.

Specifications

• Material: 18/8 stainless steel (304)
• Head type: Slotted drive with indented hex features
• Drive style: Slotted
• Thread size: 4-40
• Length: 1/2 inch
• Finish: Stainless steel corrosion resistance

Key benefits

• Corrosion-resistant performance in damp or outdoor environments
• Strong, durable stainless steel for long service life
• Easy installation with a standard slotted screwdriver
• Versatile for electronics, machinery, cabinetry, and minor structural fixtures

Applications include electronics enclosures, automotive assemblies, appliance hardware, and general metal fastening where a compact, reliable screw is required. For best results, pair with compatible nuts or tapped holes and ensure threads are clean before installation.