Value Collection 93980 Cup Point Set Screw 1/2-13 Pack of 25

Product Description

The VALUE COLLECTION 93980 is a cup point set screw designed for mechanical fastening applications where a headless, flush-mount fastener is required. Sized at 1/2-13 thread with a 1/2-inch overall length, this screw is driven with a 1/4-inch hex key and features a cup point that bites into a shaft or mating surface to resist rotational movement. Constructed from Grade 18-8 stainless steel, it offers corrosion resistance suitable for environments where moisture or mild chemicals are present. Each package contains 25 pieces.

This set screw is used in mechanical assemblies, rotating shaft collars, pulleys, sprockets, and similar components where a headless fastener is needed to secure a part to a shaft without protruding above the surface. The 1/2-13 UNC thread is a standard coarse-thread specification common in industrial and light commercial equipment maintenance and repair. Installers in HVAC, plumbing, and general mechanical trades will encounter this fastener in motor shaft collars, fan hubs, and pump components.

Key Features

• Cup point tip digs into mating surface for reliable torque and axial load resistance
• Grade 18-8 stainless steel construction provides corrosion resistance in wet or chemically exposed environments
• 1/2-13 UNC coarse thread for broad compatibility with standard tapped holes
• 1/4-inch hex key drive for installation in tight or recessed locations
• Headless design sits flush with or below the surface for clearance-sensitive assemblies
• Sold in a 25-piece package for jobsite or shop stocking

Compatibility

Designed as a standard 1/2-13 UNC cup point set screw for use in any tapped hole or threaded collar requiring a headless fastener of this thread specification and overall length.

Installation Notes

Installation requires a 1/4-inch hex key or Allen-type driver. Ensure the mating tapped hole is clean and free of debris before threading. De-energize or lock out any rotating equipment before installing or removing set screws on shaft collars or hubs. Torque to the equipment manufacturer's specification for the fastener size and material.