Gardner-Westcott Allenhead Set Screws Usa Sizes

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Gardner-Westcott allenhead set screws in USA sizes provide the fastening precision that serious Harley-Davidson restorers demand, particularly for FL and FLH Big Twin models produced from 1968 through to the early 1982 model year. These are not general-purpose fasteners: Gardner-Westcott specifies them to the exact thread pitch, cup-point geometry, and material grade used in original Harley-Davidson factory assembly, so you can torque with confidence knowing the hardware matches the application. For FL and FLH restorations, sourcing period-correct set screws to the correct USA sizing is one of those details that separates a thorough rebuild from a rough approximation, and Gardner-Westcott's almost five decades of research into Harley-Davidson thread standards makes them the definitive source. Their quality control ensures consistent across-the-range hardness and dimensional accuracy, which matters especially in set screw applications where under-spec hardware can back out under vibration. Iron City Motorcycles, an authorised Harley-Davidson dealer in Leeds, stocks Gardner-Westcott fasteners for restoration and custom projects that demand the correct part first time. Browse the full Gardner-Westcott Allenhead Set Screws Usa Sizes range below.