直杆型延长筒夹柄特点说明1.ER直杆型延长筒夹柄，柄身较长，适用深孔加工。2.可减少对加***具之使用，可降低成本，提***率。3.延长杆外径，和其他部位都经过精密研磨，可消除不平衡量，增加切削时的安定性。4.螺帽直接转紧，刚性高，夹持力强。产品规格型号LL1d1t1ER11A-100-C1621.621.6C16M6/1.0ER11A-150-C16171.621.6C16M6/1.0ER16A-100-C16135.135.1C16M10/1.5PER16A-150-C16185.135.1C16M10/1.5PER16A-100-C20135.135.1C20M10/1.5PER16A-150-C20185.135.1C20M10/1.5PER16A-200-C20235.135.1C20M10/1.5PER20A-100-C20140.540.5C20M12/1.75PER20A-150-C20190.540.5C20M12/1.75PER20A-200-C20240.540.5C20M12/1.75P)