These custom automotive shaft collars were manufactured using Grade 5 steel material to an outside diameter of 71MM, width of 19MM, and gap of 5MM. M8 - 1.25 thread was tapped on both sides for the socket head assembly bolts. The shaft collars were finished with black color E-coating and individually packaged for optimal protection in transit. Full level 3 PPAP documentation was provided with the parts per our customer's requirements.