By making the angular position of each key slot slightly different relative to its associated home position index and positioning indices, an adjustment can be readily achieved by positioning the appropriate key slot over the key or spline to provide {HEAD ~ the desired offset} between the shaft and {TAIL ~ the disc} 
between
By making the angular position of each key slot slightly different relative to its associated home position index and positioning indices , an adjustment can be readily achieved by positioning the appropriate key slot over the key or spline to provide { HEAD ~ the desired offset } between the shaft and { TAIL ~ the disc }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL