Engineered for durable, reliable fastening, the Machine Screws Slotted Indented Hex Washer with Serrations Zinc Plated 1/4-20 x 1/2 delivers strong performance in metal-to-metal assemblies. The slotted drive and indented hex washer head provide a flush, secure fit with easy installation.

Key benefits:

• Drive type: Slotted
• Head style: Indented Hex Washer
• Serrations: Under-head serrations for improved grip and vibration resistance
• Finish: Zinc plated for corrosion resistance
• Size: 1/4-20 UNC
• Length: 1/2 inch

Applications: Suitable for electrical enclosures, machinery, and metal fixtures where a compact, secure fastener is required. Use with compatible threaded holes or nuts to create a strong, lasting bond in a variety of environments.