... of dividing handle9°(540 GRAD;1'eachMin. reading of vernier10"Worm gear ratio1:40Taper of spindle boreMT3MT4Width of locating key mm1418Dia. Of ... ,58,59,62,66Change gearModule1.52teeth numbers25,30,35,40,50,55,60,70,80,90,100Individual indexing error of the ...