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This 1/4" set screw hub is nearly balanced and great for high-speed applications. While the hub works with round shafting, we recommend using ¼" D-Shaft in order to provide a flat surface for the set screw to push against. The 10-32 cup point set screw requires a 3/32 hex key. When tightened, it will indent the shaft that is passing through and create the necessary friction to keep a tight hold on the shaft.
Set screw hubs offer a cost effective way to attach hub mount gears or wheels to a shaft. The hub offers 4 equally spaced 6-32 tapped holes and is precision machined from aluminum. The set-screw is 10-32 and uses a 3/32 hex key. Hex key is sold separately.