花岗石平板精度参照各先进国家标准，平面度公差依：JB/T7975-1999岩石平板标准000级1 （1+d/1000) m00级2 （1+d/1000) m0级4 （1+d/1000) m1级8 （1+d/1000) m(d为平板对角线长度。mm)1.欢迎查询其它规格，最大可加工至3000mm宽，6000mm长。2.我们也接受在平板上作各种相关加工，如钻孔、镶T形、燕尾槽等。 规格（mm）精度等级000级平面度（ m）00级平面度（ m）0级平面度（ m）1级平面度（ m）300x200x50300x300x70400x250x70400x400x70630x400x100630x630x100800x500x1301000x630x1501000x750x1501000x1000x1501600x1000x2002000x1000x2002000x1600x2502500x1600x3003000x2000x4004000x2000x5001.51.51.522222.52.52.533.53.544.55.53333.53.5444.54.5566.5789115.55.566.5788991012131416182211111213141616181820242628323644