Value Collection R63263641 Set Screw 3/8-24 X 3/4 in Cup Point

Product Description

The VALUE COLLECTION R63263641 is a 3/8-24 x 3/4 inch cup point set screw manufactured from Grade 18-8 stainless steel. This fully threaded fastener uses a 3/16 inch hex key drive and is designed to secure collars, hubs, pulleys, and similar components onto shafts without a protruding head. The cup point tip bites into the shaft surface to resist axial and rotational movement. Grade 18-8 stainless construction provides corrosion resistance suitable for wet, outdoor, or mildly chemical environments. Trades working in HVAC equipment, plumbing assemblies, pool pump hardware, and general mechanical installations will encounter this fastener type frequently.

This set screw fits standard UNF (Unified National Fine) 3/8-24 threaded applications. It is commonly used in residential and light commercial mechanical assemblies where a headless fastener is required to hold a shaft-mounted component in position. The fine thread pitch offers precise clamping adjustment and higher thread engagement strength compared to coarse thread equivalents of the same size. Typical installations include motor shaft collars, fan hubs, valve stems, and adjustable couplings across HVAC, plumbing, and pool equipment systems.

Key Features

• 3/8-24 UNF thread for fine-pitch, high-engagement clamping
• 3/4 inch overall length provides adequate thread depth in standard hub applications
• Cup point tip bites into shaft surface to resist rotation and axial shift
• Grade 18-8 stainless steel resists corrosion in wet or outdoor environments
• 3/16 inch hex key drive — compatible with standard hex wrenches and L-keys
• Headless design sits flush with or below the surface for clearance-sensitive assemblies

Compatibility

Designed as a standard 3/8-24 UNF cup point set screw for use in any threaded bore accepting that thread size and pitch. Suitable for shaft-collar, hub, and coupling applications across HVAC, plumbing, pool, and general mechanical equipment.

Installation Notes

A 3/16 inch hex key (Allen wrench) is required for installation and removal. De-energize or shut down any equipment before servicing shaft-mounted components secured by set screws. Do not overtighten — excessive torque can damage the shaft surface or strip the threads in softer hub materials. Confirm thread engagement depth is sufficient before applying final torque; partial thread engagement significantly reduces holding strength.