注:采用轴承钢制作，热处理硬度H R C = 4 8°限定夹持与孔径相同的刀具柄径筒夹不具备弹性收缩范围，强大夹持力，夹持稳定可靠，是专切削加工首选筒夹

1 Use bearing steel steel system and heattreated rigidity is HRC48°2 Definition the size of clamping toolshank is the same to the hole diameter.3 Do not have the flexible shrinkage rangeand emphasize power while high clamping