[100 PKG] Socket Head Cap Screws Alloy Steel 4/40 X 2-1/4

Shop our Socket Head Cap Screws in Alloy Steel, sized 4-40 with a length of 2-1/4 inches. These precision fasteners are engineered for high-strength applications, delivering reliable clamping force in machinery, equipment, and automotive assemblies.

Designed with an internal hex (socket) drive, these socket head cap screws sit flush for clean, professional assemblies and reduced snag risk in tight spaces.

• Material: Alloy steel for exceptional strength and durability
• Size: #4-40 UNC thread
• Length: 2-1/4 in
• Drive: Internal hex socket

Whether you’re replacing worn hardware or outfitting a new project, these screws provide dependable performance where it matters mostprecision alignment, secure fastening, and enduring resilience.