Indexing Movements for Standard Index Plate Cincinnati Milling Machine The standard index plate indexes all numbers up to and including 60; all even numbers and those divisible by 5 up to 120; and all divisions listed below up to 400. This plate is drilled on both sides, and has holes as follows: First side: 24, 25, 28, 30, 34, 37, 38, 39, 41, 42, 43. 46, 47, 49, 51, 53, 54, 57, 58, 59, 62, 66. |