Value Collection -40822-2 Shoulder Screw 5/8 in 4140 Steel

Product Description

The VALUE COLLECTION -40822-2 is a hex socket shoulder screw machined from 4140 alloy steel, designed for precision fastening applications where a ground shoulder diameter serves as a bearing surface, pivot, or guide pin. The shoulder measures 5/8 inch in diameter and 1 inch in length, with a 1/2-13 UNC threaded shank. The socket head measures 7/8 inch in diameter and 3/8 inch tall, driven by a 5/16 inch hex key. The uncoated finish leaves the alloy steel surface bare, suitable for applications where additional coatings are not required. This part meets ANSI B18.3 and ASTM A574 standards for socket head cap screws and shoulder screws.

Shoulder screws like the -40822-2 are used across industrial machinery, tooling fixtures, die sets, and mechanical assemblies wherever a precise cylindrical bearing surface is needed. Common applications include jig and fixture construction, linkage pivots, stripper bolt service in stamping dies, and rotary bearing mounts. The 4140 alloy steel construction provides the strength and hardness needed for high-load or cyclically stressed installations. This fastener is typically installed by machinists, tool and die makers, and maintenance technicians working on production equipment.

Key Features

• 5/8 inch shoulder diameter provides a precise ground bearing surface for pivot and guide applications
• 1 inch shoulder length suits standard fixture and die set clearance requirements
• 1/2-13 UNC thread for broad compatibility with standard tapped holes
• 4140 alloy steel construction for high tensile strength and wear resistance
• 5/16 inch hex socket drive for installation with standard Allen keys or socket drivers
• Meets ANSI B18.3, ASME/ANSI B18.3, and ASTM A574 standards

Compatibility

Designed as a standard shoulder screw for use in any application requiring a 5/8 inch shoulder diameter, 1 inch shoulder length, and 1/2-13 UNC threaded engagement in alloy steel construction.

Installation Notes

Installation is performed by machinists or maintenance technicians using a 5/16 inch hex key or Allen driver. Ensure the mating bore is sized to the shoulder diameter tolerance appropriate for the intended fit class before installation. De-energize and lock out any machinery before servicing fasteners in moving assemblies. Do not use an impact driver on socket head shoulder screws, as this can damage the hex socket or over-torque the threaded shank.