直角尺RectangleRuler規(guī)格Type(mm)測(cè)量面對(duì)基面垂直度Squarenessbetweenmeasuringsurfaceanddatumsurface測(cè)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(jí)Precisiongrade( m)OO級(jí)O級(jí)OO級(jí)O級(jí)OO級(jí)O級(jí)160*100241211250*1602.551212400*2503.5712.512630*4004.591.5312.5用于零件,工作母機(jī)主軸及各種角度之測(cè)量Forthemeasurementofparts,machinetoolspindleandvariousangles