... speeds: 155,285,515r/min8) Base table size (LXW): 320x316mm 9) Auto feeding threading pitch: 0.7,0.75,0.8 ... ,0.9,1.0,1.25,1.5,1.75,1.8 ... 11) Outline dimension (LXWXH):832x566x932mmStandard accessories:1)Double-end wrench (30-32):1 pcs; 2)Double-end wrench (17-19): 1 pcs3)Inner ... 25mm, users can buy other pitches of gears from us. automatic teeth distance tapping machine