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The VALUE COLLECTION 605421BR is a Grade 8 alloy steel set screw designed for high-strength clamping and locking applications in mechanical assemblies. This 5/8-11 UNC threaded fastener measures 5/8 inches in overall length and features an oval point, which provides moderate holding force while minimizing surface damage to the shaft or mating component. Driven by a 5/16-inch hex key, it meets ASME/ANSI B18.3 and ASTM F912 standards. Machinists, maintenance technicians, and mechanical assemblers use this fastener where reliable torque transmission and vibration resistance are required.
This set screw is suited for use in shaft collars, sprockets, pulleys, gears, and similar power transmission components where the fastener must bear against a shaft without protruding. The oval point seats into a shallow detent or bears directly against a shaft surface, making it appropriate for assemblies that require occasional repositioning. It is commonly found in light industrial equipment, machine tool applications, and HVAC blower wheel hubs. Sold individually with a minimum order quantity of 10 units.
Designed as a standard inch-series set screw for use in any 5/8-11 UNC tapped hole requiring an oval point fastener per ASME/ANSI B18.3.
Installation should be performed by a qualified machinist or maintenance technician using a properly sized 5/16-inch hex key to avoid rounding the drive socket. Ensure the receiving tapped hole is clean and free of debris before threading in the fastener. Apply appropriate thread-locking compound if vibration resistance beyond the mechanical grip is required. Do not exceed the rated torque capacity for Grade 8 alloy steel at this thread size.
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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