日本EISEN系列针规【ET系列】寸法mm长度mm许容差真圆度硬度HRC0.297....1.49630 0.3 m0.5 m58以上1.497...10.01040ET系列型 号基本寸法 具 体 尺 寸（间隔0.001mm）每盒支数ET-030.3000.297 0.298 0.299 ......0.309 0.31014ET-040.4000.397 0.398 0.399 ......0.409 0.410ET-050.5000.497 0.498 0.499 ......0.509 0.510~~~ET-090.9000.897 0.898 0.899 ......0.909 0.910ET-101.0000.997 0.998 0.999 ......1.009 1.010~~～ET-505.0004.997 4.998 4.999 ......5.009 5.010ET-515.1005.097 5.098 5.099 ......5.109 5.110~~～ET-797.9007.897 7.898 7.899 ......7.909 7.910ET-808.0007.997 7.998 7.999 ......8.009 8.010~~～ET-10010.0009.997 9.998 9.999 ......10.009 10.010