英制针规*采用优质工具钢经精密加工研磨，精度达0.0002"*热处理硬度达HRC60-64*耐腐蚀，尺寸稳定性好*英制套装能提供（+）或（-）公差针规*每根针规有激光刻字清楚表明规格更多规格如下:型号名称规格KT5-469-22850件套英制针规0.011-0.060(+)KT5-469-22950件套英制针规0.011-0.060(-)KT5-469-230190件套英制针规0.061-0.250(+)KT5-469-231190件套英制针规0.061-0.250(-)KT5-469-232250件套英制针规0.251-0.500(+)KT5-469-233250件套英制针规0.251-0.500(-)KT5-469-234125件套英制针规0.501-0.625(+)KT5-469-235125件套英制针规0.501-0.625(-)KT5-469-236125件套英制针规0.626-0.750(+)KT5-469-237125件套英制针规0.626-0.750(-)KT5-469-23882件套英制针规0.751-0.832(+)KT5-469-23982件套英制针规0.751-0.832(-)KT5-469-24084件套英制针规0.833-0.916(+)KT5-469-24184件套英制针规0.833-0.916(-)KT5-469-24284件套英制针规0.917-1.000(+)KT5-469-24384件套英制针规0.917-1.000(-)