R100 Series Racks – Shank
To determine your part number. See the example in the graphic. Start by selecting desired diameter for your rack, example R101 series represents 1.000 diameter rack. Next is the uncut length “C”, in this example it is 3.00, then the overall length of 15.00. Next is your desired pressure angle, select 14 1/2 or 20, in this example 20 pressure angle was chosen.
Next select your pitch, then shank diameter “B” and final dimension “D” for shank length.