Cap Screws Flat Socket Alloy Steel 4/40 X 7/16 are precision fasteners designed for reliable, rugged performance in a wide range of assemblies. Crafted from high-strength alloy steel, these flat socket cap screws pair a compact profile with solid load-bearing capability, making them ideal for tight spaces where strong, secure fastening is essential.

Featuring an internal hex drive for easy tightening with a standard Allen wrench, these cap screws provide a flush, low-profile head that sits neatly in counterbores or on flat surfaces. The 4/40 thread size and 7/16 inch length strike a balance between grip and compatibility for common machine and equipment applications.

Key specifications

• Thread size: 4/40
• Length: 7/16 inch
• Material: Alloy steel
• Drive type: Internal hex (Allen) drive
• Head style: Flat socket cap screw

Applications

Ideal for fastening panels, brackets, and components where space is limited and a secure, flush mounting is required. Suitable for machinery, electronics enclosures, automotive assemblies, and general hardware projects that demand dependable fasteners with a clean, professional finish.

Why choose these fasteners

• Strong, durable alloy steel construction
• Low-profile flat socket head for a clean installation
• Precise 4/40 thread for compatibility with standard hardware
• Internally driven for recessed tightening in tight spaces