4-40 x 3/8" Black Cap Head Screws (5-Pack)

The 4-40 x 3/8" Black Cap Head Screws (5-Pack) are precision fasteners designed for secure assembly in RC vehicles, electronics, and hobby projects. Featuring a socket cap head design, these screws provide excellent strength and a clean, professional appearance.

Manufactured from durable steel with a black finish, they offer reliable performance and resistance to wear. The hex socket drive allows for easy installation and removal using standard hex tools, making them ideal for detailed assemblies and maintenance.

With a longer 3/8" length, these screws are perfect for applications requiring additional thread engagement while maintaining a compact head profile.

Key Features:

• Size: 4-40 x 3/8"
• Type: Socket cap head screw
• Quantity: 5 screws per pack
• Finish: Black
• Material: Durable steel
• Drive Type: Hex (Allen)

Benefits:

• Strong and secure fastening
• Longer length for deeper thread engagement
• Easy installation with hex tools
• Durable construction for long-term use
• Ideal for RC, electronics, and hobby applications

Keep your builds secure with 4-40 x 3/8" Black Cap Screws—reliable, precise, and built for performance.