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The VALUE COLLECTION MP40403 is a cup point set screw designed for mechanical fastening applications where a secure, non-protruding hold is required. Manufactured from Grade 8 alloy steel, this fastener delivers high tensile strength and resistance to loosening under vibration and load. The 7/16-14 UNC thread with a 1/2 inch overall length suits a wide range of shaft-collar, hub, and positioning applications. Drive engagement is achieved with a 7/32 inch hex key. Compliance with ASME/ANSI B18.3 and ASTM F912 standards ensures dimensional consistency and mechanical performance across the lot. Each package contains 25 pieces.
Cup point set screws are used across industrial, HVAC, and mechanical service applications to lock rotating components such as collars, pulleys, gears, and sheaves to shafts without a protruding head. The cup point geometry bites into the shaft surface to resist axial and rotational movement. This size is commonly found in light-to-medium-duty drive assemblies in both residential and commercial equipment service environments. Installation is performed by machinists, millwrights, HVAC technicians, and general mechanical trade professionals.
Designed as a standard UNC-threaded cup point set screw suitable for use in any tapped hole or collar accepting a 7/16-14 thread with 1/2 inch engagement length.
De-energize and lock out all equipment before accessing shaft assemblies or drive components. Use a properly sized 7/32 inch hex key to avoid rounding the drive socket. Torque to the fastener manufacturer or equipment OEM specification for Grade 8 set screws of this thread size. Inspect the shaft surface for damage or burrs before seating the cup point.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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