Value Collection R63260061 Set Screw 5-40 X 3/8 in Cup Point

Product Description

The VALUE COLLECTION R63260061 is a cup point set screw designed for mechanical assemblies requiring a secure, low-profile fastener with no protruding head. Threaded 5-40 UNC with an overall length of 3/8 inches, this screw is driven by a 1/16-inch hex key and locks into position via its cup point tip, which bites into the mating surface to resist rotation and axial movement. Constructed from 18-8 stainless steel, it offers solid corrosion resistance for indoor and light outdoor applications. Machinists, maintenance technicians, and mechanical assemblers install this type of fastener across a wide range of light-duty precision applications.

This set screw suits applications where a flush or recessed fastener is required, such as securing collars, pulleys, gears, or knobs to shafts. The cup point geometry is appropriate for softer shaft materials where a slight indentation is acceptable to provide a positive hold. The fine 5-40 thread pitch allows for precise torque control in small-diameter assemblies typical of instrumentation, small motors, and light mechanical equipment.

Key Features

• Cup point tip bites into mating surface for positive rotational and axial retention
• 5-40 UNC thread for precise engagement in small-diameter tapped holes
• 1/16-inch hex drive for installation with standard allen or hex keys
• 18-8 stainless steel construction provides corrosion resistance in light-duty environments
• Headless design sits flush or below the surface for clearance-sensitive assemblies

Compatibility

Designed as a standard replacement or stock fastener for any assembly requiring a 5-40 UNC cup point set screw with a 3/8-inch overall length and 1/16-inch hex drive.

Installation Notes

Installation requires a 1/16-inch hex key or allen wrench sized to the drive recess. Ensure the tapped hole is clean and free of debris before threading the screw. Power down or de-energize any equipment before servicing assemblies that contain set screws on rotating shafts. Do not exceed the seating torque appropriate for the thread size and base material to avoid stripping the socket or damaging the shaft surface.