Value Collection R57600588 Shoulder Screw 1/2 in 18-8 Ss

Product Description

The VALUE COLLECTION R57600588 is a stainless steel shoulder screw designed for precision fastening applications where a fixed-diameter shoulder is required to serve as a shaft, pivot, or spacer. The shoulder measures 0.5 inches in diameter and 4-3/4 inches in length, providing a smooth, uncoated bearing surface. The threaded end is 3/8-16 UNC. Constructed from 18-8 stainless steel, this fastener offers corrosion resistance suitable for both indoor and outdoor service environments. Drive engagement is via a 1/4 inch hex socket. Machinists, maintenance technicians, and assembly professionals install this type of fastener across a range of mechanical and structural applications.

Shoulder screws of this type are used in mechanical assemblies where a precise cylindrical surface is needed to act as a pivot point, guide pin, or rotating shaft stub. Common applications include linkage assemblies, fixture plates, jigs, conveyor components, and machinery requiring repeatable positional alignment. The 18-8 stainless steel construction makes this screw appropriate for applications exposed to moisture, mild chemicals, or environments where carbon steel fasteners would be prone to corrosion. This fastener is sold individually.

Key Features

• 0.5 inch shoulder diameter provides a consistent bearing and pivot surface
• 4-3/4 inch shoulder length accommodates deep linkage or extended shaft applications
• 3/8-16 UNC threaded end for secure engagement in standard tapped holes
• 18-8 stainless steel construction for corrosion resistance in wet or chemical-exposed environments
• 1/4 inch hex socket drive for precise torque application with standard Allen keys or hex bits
• Uncoated finish preserves dimensional tolerances on the shoulder surface

Compatibility

Designed as a standard shoulder screw for use in mechanical assemblies, jigs, fixtures, and machinery requiring a 0.5 inch diameter shoulder with 3/8-16 UNC thread engagement.

Installation Notes

Install using a 1/4 inch hex key or socket bit. Ensure the mating tapped hole is clean and meets 3/8-16 UNC thread specifications before driving. Power down and de-energize any equipment before servicing fasteners on live machinery. Do not overtorque; stainless steel fasteners are susceptible to galling — apply anti-seize compound to the threads if the application involves repeated removal.