Secure, compact fastening for precision assemblies, these machine screws feature an unslotted indented hex washer head and a zinc-plated finish for corrosion resistance. Sized #4-40 with a 3/8 inch length, they are ideal for electronics enclosures, small machinery, and other light-duty applications where a clean, flush appearance is required.

• Head style: Indented Hex Washer
• Drive: Hex (Allen) drive unslotted
• Thread size: #4-40
• Length: 3/8 in
• Material: Steel
• Finish: Zinc Plated

Applications

Perfect for electronics housings, control panels, small mechanical assemblies, and other applications where a low-profile head and even load distribution are important.

Why choose this screw

The zinc plating provides dependable corrosion resistance, while the unslotted design delivers a secure drive with reduced risk of slipping in tight spaces. The indented hex washer head offers a clean, flush finish and reliable seating in applications requiring precise alignment.

Specifications

• Type: Machine Screw
• Head: Indented Hex Washer
• Drive: Hex (Allen) drive, unslotted
• Thread: #4-40
• Length: 3/8 in
• Material: Steel
• Finish: Zinc Plated

Add these unslotted indented hex washer machine screws to your hardware kit for reliable, durable fastening in small-scale projects.