Flanged Shaft Assembly With Knurled Shaft Component and Radial Through-Holes in Flange

Drone motor assemblies, automotive sub-drive knobs, and medical device adjustment components use a knurled shaft component where knurl OD and flange through-hole true position together determine press-in retention force and bolt pattern alignment; knurl OD below the lower limit reduces the effective interference on the mating bore and allows the shaft to rotate in the housing under load, while flange through-hole true position outside ±0.1 mm displaces the bolt centreline and requires the fastener to enter at an angle that generates thread galling. Foshan Zhengshang Precision Hardware (Foshan, Guangdong, ISO 9001, ISO 14001, ISO 45001 certified) turns and mills this flanged aluminium knurled shaft component with radial through-holes in the flange at their north of 2,000 m² Foshan facility using milling & turning and Swiss machining, with knurl OD, flange hole true position, and shaft diameter inspected to match your drawing during initial part approval. Zhengshang serves automotive, medical equipment, drones, energy storage, and fastener knurled shaft component applications. Share your specs — knurl OD, flange hole position, shaft diameter, and alloy grade and request a pricing from our Foshan production team. End markets span communication, fasteners, and toys and gifts industry.