... requests on the tooth form,We can choose corresponding tooth form on the touch screen.Main tooth forms include Flat tooth, LR, L bevel ... , R bevel, LRF, RLF, Trapezoidal tooth, H L tooth, LLLR, RRRL, LRLRF, RLRLF, Triangular tooth, LFRF, LLLRF, RRRLF.5.The front & back ... and grinding machine, pls let us know your request. AUTOMATIC-TCT Saw blade teeth grinding machine