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Figure 63. Thread dial gear engaged with leadscrew. Cap Screw Dial Gear -43 Figure 67 Model SB1001 8K™ Lathe OP E R A T ION For Machines Mfg. Since 8/11 When threading, we recommend using the slowest speed possible and avoiding deep cuts, so you can more easily disengage the half nut to prevent an apron crash! Thread Dial Chart Find the TPI (threads per inch) that you want to cut in the left column of the thread dial chart (see Figure 64), then reference the dial number to the right of it. The d