直角尺RectangleRuler規(guī)格Type(mm)測量面對基面垂直度Squarenessbetweenmeasuringsurfaceanddatumsurface測量面平面度或直線度Flatness&stralghtnessofmeasuringsurface基面平面度或直線度Flatness&stralghtnessofdatumsurtace精密等級Precisiongrade( m)OO級O級OO級O級OO級O級160*100241211250*1602.551212400*2503.5712.512630*4004.591.5312.5用于零件,工作母機主軸及各種角度之測量Forthemeasurementofparts,machinetoolspindleandvariousangles