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The JET jt9-ts-0270021 is a set screw used as a replacement part for JET power tools and accessories. Set screws are headless fasteners that thread fully into a tapped hole and bear against a mating surface to lock a component in place, such as securing a collar, pulley, or blade guard to a shaft. This screw measures 5/16 inch in diameter with a 5/16 inch length, making it a compact fastener suited for precise clamping force in tool assemblies. It is a direct OEM replacement part intended for use by technicians and trades professionals performing maintenance or repair on JET equipment.
This set screw is designed for use in JET power tool assemblies. Typical applications include securing rotating or stationary components to shafts within woodworking, metalworking, or fabrication equipment. It is the type of hardware routinely replaced during scheduled maintenance, after component wear, or when rebuilding a tool assembly. The part is sourced directly from the JET parts catalog, making it appropriate for OEM-spec repairs.
Designed as an OEM replacement fastener for JET power tools and accessories requiring a 5/16 inch by 5/16 inch set screw.
Installation should be performed by a qualified technician familiar with the specific JET tool being serviced. Power down and unplug the equipment completely before beginning any disassembly or fastener replacement. Use the appropriate hex key or Allen wrench that matches the screw drive size, and take care not to overtighten, which can damage threads or distort the mating component. Consult the tool service manual for torque guidance and proper assembly sequence.
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