[5000 BULK] Square Machine Screw Nuts Steel Zinc Plated 4-40

Square Machine Screw Nuts are engineered from tough steel and finished with a zinc plating for lasting corrosion resistance. These square nuts are designed to resist loosening under vibration and to provide a secure, non-rotating interface when paired with machine screws.

• Material: Steel
• Finish: Zinc plated
• Type: Square nut
• Thread: 4-40 UNC
• Compatibility: Accepts standard 4-40 machine screws
• Non-rotating design: Square geometry helps prevent rotation and keeps parts aligned
• Durability: Hardened steel with zinc coating resists wear and corrosion
• Applications: Electronics enclosures, machinery, cabinetry, automotive assemblies

To install, insert the nut into a prepared slot or hole and tighten your 4-40 machine screw to the recommended torque. The zinc finish adds a layer of protection against moisture and oxidation, helping your assemblies endure over time.