Holo Krome 72020 Socket Head Cap Screw #4-40 x 3/8" (100-Pack)

The Holo Krome 72020 is a precision socket head cap screw designed for applications requiring high strength and a low-profile head. This fastener features a #4-40 thread size with a 3/8-inch length, making it ideal for small machinery, electronics, instrumentation, and precision equipment assembly.

Key Features:

• Socket head design allows for high torque application in recessed or counterbored holes
• #4-40 unified thread provides secure fastening in tapped holes
• 3/8-inch length suitable for a variety of assembly applications
• Manufactured by Holo Krome, known for precision-engineered fasteners
• Convenient 100-piece pack quantity for production or maintenance operations
• Hex socket drive provides positive engagement and reduces cam-out

Socket head cap screws are commonly used where a smooth, finished appearance is required or where clearance above the fastener is limited. The hexagonal socket drive requires an Allen wrench or hex key for installation and removal, providing excellent torque transfer while maintaining a compact head profile.