#4-40 X 1/2" Machine Screws | Indented Hex Head | Slotted Drive | Steel Zinc Plated (10000/Pkg.)

Secure precise, reliable fastening with our Machine Screws Slotted Indented Hex Washer Zinc Plated 4/40 x 1/2. These zinc-plated steel machine screws feature a slotted drive and an indented hex washer head, delivering outstanding load distribution and a clean finish in electronics enclosures, cabinetry, and general hardware projects.

• Drive type: Slotted
• Head style: Indented Hex Washer Head
• Finish: Zinc Plated
• Material: Steel
• Thread: 4-40 UNC
• Length: 1/2 inch

Key applications:

• Electronics enclosures, control panels, and appliance assemblies
• Cabinetry, furniture, and fixtures requiring a low-profile, secure fastener
• General mechanical assemblies where corrosion resistance and reliable, reusable threads are needed

Tips for best results:

• Pair with a matching nut or tapped hole for secure fastening.
• Use a properly sized slotted screwdriver to prevent cam-out and damage.
• Avoid over-tightening to maintain thread integrity and finish.