Value Collection 101485PR Set Screw 3/8-24 X 3/4 in Cup Point

Product Description

The VALUE COLLECTION 101485PR is a 3/8-24 x 3/4 inch cup point set screw manufactured from Grade 8 alloy steel. It is a headless fastener driven by a 3/16 inch hex key and is designed to secure collars, pulleys, gears, and similar components onto shafts by biting into the shaft surface with its cup point. The 3/8-24 thread designation indicates a Unified National Fine (UNF) thread form. This screw meets ASME/ANSI B18.3 and ASTM F912 standards. Machinists, millwrights, and maintenance technicians routinely install this type of fastener in mechanical assemblies.

Cup point set screws like the 101485PR are used across industrial and mechanical applications where a shaft or mating component must be held in a fixed rotational or axial position. Typical installations include motor shaft couplings, sprocket hubs, and shaft collars in both light and heavy-duty equipment. The fine UNF thread pitch allows for more precise torque control and greater holding strength in threaded holes where vibration resistance matters. This fastener is sold in a minimum order quantity of 100 pieces per order.

Key Features

• 3/8-24 UNF thread form for precise engagement and vibration resistance
• Cup point geometry bites into shaft surface for strong axial and rotational hold
• Grade 8 alloy steel construction for high tensile and torsional strength
• 3/16 inch hex drive compatible with standard hex keys and Allen wrenches
• Meets ASME/ANSI B18.3 and ASTM F912 dimensional and material standards
• Headless design sits flush or below surface when fully seated

Compatibility

Designed as a standard ASME/ANSI B18.3 cup point set screw suitable for any threaded hole with a 3/8-24 UNF thread form requiring a headless, hex-drive fastener.

Installation Notes

Installation is performed with a 3/16 inch hex key torqued to the appropriate value for Grade 8 alloy steel fasteners per manufacturer or application specifications. De-energize and lock out any rotating machinery before installing or removing set screws. Ensure the mating threaded hole is clean, properly tapped to 3/8-24 UNF, and free of debris before driving the screw. Do not reuse a set screw that shows signs of deformation at the cup point or damaged hex socket.