Bored and keyed pinions

Keyed bore sprockets with two setscrew holes (tapped) with treated teeth. Several models and sizes are available from stock. Keying: In order to achieve an optimal assembly of mechanical parts, it is important to choose precise and perfect dimensions. Boring: Boring is the process of carefully machining the inner surface of a cylinder or other hollow part. The purpose of the boring operation is to calibrate the dimensional accuracy, conforming to industrial quality standards.