刀柄：1、刀柄7:24锥度精度AT32、内锥用标准的气动量仪检测，大端接触面积率在90%以上。3、刀柄本体内锥跳动0.002 。4、刀柄同轴度，配0.005mm/0.008mm筒夹，综合精度高点不超过0.005mm/0.008mm。5、刀柄螺纹和螺帽螺纹等级为4H级标准，通端通，止端止。6、动平衡：根据需求可做G6.3 12000/18000RPM G2.5 25000/30000RPM.也可根据客户需求定做。7、材料：20CrMnTi.8、硬度：HRC56-60。9、渗碳深度：＞0.8。Hilt.1, the handle taper 7:24 accuracy AT3Gas gauge standard 2, inner cone detection, heel contact area rate in more than 90%.3, the handle body cone beating 0.002.4, the coaxial degree, with 0.005mm/0.008mm collet, integrated precision high does not exceed 0.005mm/0.008mm.5, a screw and nut thread class is 4H standard, through end, end stop.6, the dynamic balance: according to the demand of G6.3 12000/18000RPM G2.5 25000/30000RPM. can also be customized according to customer demand.7, material: 20CrMnTi8, the hardness: HRC56 -60 .9, depth of carburizing: 0.8.