4-40 X 5/16″ Machine Screws Undercut Binder Head Slotted Drive 18/8 Stainless Steel (5000/Pkg.) Shop Now

Engineered for durability and precise fastening, these Machine Screws Slotted Undercut Binder are crafted from 18/8 stainless steel for superior corrosion resistance and long-lasting performance in metal-to-metal assemblies.

Size: 4-40 thread, 5/16 inch length

Head & Drive: Binder head with a slotted drive

Material: 18/8 stainless steel (A2)

Undercut: Undercut binder design for secure seating and reduced pull-out

Applications: Ideal for electrical panels, instrument enclosures, machinery, and other metal assemblies

These screws are designed for standard 4-40 tapped holes and provide a clean, flush appearance while delivering strong, vibration-resistant performance in demanding environments.

Material & Finish

Made from 18/8 stainless steel (commonly known as type 304), these binder screws offer excellent corrosion resistance, durability, and compatibility with stainless hardware in challenging conditions.

Upgrade your hardware kit with these reliable 4-40 x 5/16 binder screws for a secure, professional finish on metal projects.