#4-40 X 1/4" Machine Screws | Undercut Binder Head | Slotted Drive | Steel Zinc Plated (10000/Pkg.)

Engineered for dependable fastening in electronics, machinery, and panel assemblies, our Machine Screws Slotted Undercut Binder Zinc Plated 4-40 x 1/4 deliver strong seating with a slim, low-profile binder head. The slotted drive allows quick installation with a standard screwdriver, while the undercut binder head provides a wide bearing surface for secure seating and reduced head height for tight fits.

Key Features

• Drive type: Slotted
• Head style: Binder with undercut for a wide bearing surface
• Material: Steel
• Finish: Zinc plated for corrosion resistance
• Thread size: 4-40
• Length: 1/4 in
• Size designation: #4
• Applications: Ideal for electronic enclosures, metal-to-metal assemblies, and panel mounting

These machine screws are designed to pair with standard nuts and tapped holes that accept 4-40 threads, delivering reliable performance in a variety of environments. Zinc plating offers durable protection against rust and wear, making them suitable for indoor and light-duty outdoor use where conditions are not extreme.