适用于各式CNC车床。走心式或是走刀式等自动车床，可作为一个到家（夹钻头，立铣刀，小镗刀等），可以通过吸收震动提高效率。
材质：20CrMnTi/15CrMo
表面硬度：52-55HRC
Shank hardness心部硬度：40-45HRC
Hole concentricity内孔同心度：0.005mm
夹持柄位有削平端供刀座侧边螺丝锁固

Applicable to a variety of CNC lathes，Swiss type，or walk the knife type，automatic lathes，etc。can be used as a knife folder（folder drills，end mills，small boring tool，etc。）canbe shock absorbing efficiency。
Clapping handle bit-side leveling screw forlocking the side of a knife block

For reducing clamping range of larger spring collet chuck 适用于小径深处加工

Product Description
milling chuck manufacturer ER collet straight shank milling chuck
1,Material:20 CrMnTi,surface hardness :52-55HRC,Shank hardness:40-45HRC.
2,Shank is longer ,suitable for deep hole processing.
3,outer diameter and other parts after grinding ,eliminate the unbalanced allowance,conducive to the stability of the cutting.
4,can reduce to the selection of lengthen cutting tool,reduce cost and improve efficiency
5,precision:0.005mm
We are the professional machine tool accessories manufacturer in china . milling chuck manufacturer ER collet straight shank milling chuck are one of our main products.