Value Collection R63004244 Shoulder Screw 3/8 in 18-8 Ss

Product Description

The VALUE COLLECTION R63004244 is a hex socket shoulder screw machined from 18-8 stainless steel. It features a 0.375-inch (3/8 inch) shoulder diameter and a 1-inch shoulder length, with a 5/16-18 UNC threaded end. The precision-ground shoulder serves as a bearing surface or pivot point in mechanical assemblies, jigs, fixtures, and linkage systems. The hex socket drive accepts a 3/16-inch hex key for installation in tight or recessed locations. Stainless steel construction provides corrosion resistance suitable for washdown environments, outdoor assemblies, and applications where carbon steel would degrade over time. Machinists, maintenance technicians, and fabricators are the primary installers.

This shoulder screw is used in mechanical assemblies requiring a precise-diameter unthreaded shank to act as a shaft, spacer, or pivot. Common applications include jig and fixture construction, cam follower mounts, linkage pins, and guide rod assemblies. The 5/16-18 UNC thread engages tapped holes in metal plates or brackets. The 18-8 stainless steel grade suits food processing equipment, marine hardware, and general industrial machinery where mild corrosive conditions are present. Sold individually with a minimum order quantity of 10 units.

Key Features

• 3/8-inch shoulder diameter (0.3750 inch decimal) for precision fit in bored holes
• 1-inch shoulder length provides consistent bearing or pivot surface
• 5/16-18 UNC threaded end for standard tapped-hole engagement
• 3/16-inch hex socket drive for installation with a standard hex key
• 18-8 stainless steel construction resists corrosion in wet or mild chemical environments
• Compact hex socket head allows use in counterbored or recessed applications

Compatibility

Designed as a standard shoulder screw for use in mechanical assemblies, fixtures, and linkage systems with tapped holes sized for 5/16-18 UNC threads and bored holes sized for a 3/8-inch shoulder diameter.

Installation Notes

Installation is performed by maintenance technicians or machinists using a 3/16-inch hex key or allen wrench. Ensure the mating tapped hole is clean and properly sized for 5/16-18 UNC thread engagement before installing. De-energize or lock out any machinery before inserting or removing shoulder screws in live assemblies. Do not exceed the torque capacity of the stainless steel threads; galling can occur if fasteners are driven too aggressively without lubrication.