Value Collection 409091PR Set Screw 7/16-14 2.5in Cup Point

Product Description

The VALUE COLLECTION 409091PR is a cup point set screw intended for clamping and locking applications in mechanical assemblies. It features a 7/16-14 UNC thread and measures 2.5 inches in length under head. Manufactured from Grade 2 alloy steel, this screw provides reliable holding strength in moderate-load applications. The square drive design allows for positive torque engagement with a standard square key or bit. Cup point geometry bites into the mating shaft surface to resist rotational and axial movement. Licensed trades and maintenance technicians commonly install this fastener in motor shaft collars, set collar assemblies, and mechanical drive components.

This set screw is suited for general industrial and mechanical maintenance applications where a UNC thread form is required. Typical installations include shaft-to-collar connections, pulley and sprocket retention, and fixture or tooling assemblies. The 2.5-inch length accommodates deeper engagement requirements or thicker collar stock. The fractional inch thread size and UNC standard make this a common replacement fastener across a wide range of commercial and light industrial equipment.

Key Features

• Cup point geometry bites into mating shaft surface for reliable rotational and axial resistance
• Square drive for positive torque transfer with standard square key or bit
• 7/16-14 UNC thread for broad compatibility with fractional inch mechanical assemblies
• Grade 2 alloy steel construction for moderate-load clamping applications
• 2.5-inch length under head accommodates thicker collar or housing stock

Compatibility

Designed as a standard UNC fractional inch set screw for use in shaft collars, mechanical couplings, pulleys, sprockets, and similar components that accept a 7/16-14 threaded fastener with cup point geometry.

Installation Notes

Installation is typically performed by a maintenance technician or machinist using a properly sized square drive key or bit. Power down and de-energize all equipment before accessing rotating assemblies. Ensure the mating shaft surface is clean and free of debris before tightening to allow the cup point to seat properly. Follow applicable machinery safety standards and the equipment manufacturer's torque guidance when tensioning fasteners in rotating assemblies.