Heavier Design compared to Extra Heavy Duty Model.
Regular Precision models have 0.015 mm max. runout. Super precision models supplied against specific request have runout 0.008mm. These runout figures are uncer NO LOAD conditions and not
under ACTUAL LOAD conditions, roate the point in any one direction for 3 to 5 revolution and then take dial indicator reading for runout measurement while rotating the point in the SAME direction.