When choosing collets and collet bodies , you need to consider two main factors .
夹头及夹头机构在选择，你需要考虑两个主要因素。
Typically , manufacturers sell collets and collet bodies separately to match a specific tungsten size .
通常,厂商及夹头夹头机构分别出售给特定钨大小比赛.
Power plant project reconnoitre materials watch , according to on-the-spot construction situation , measure situation many aspects set out from zhenjiang , is it is it fasten person who dig whole steel collet is it is it succeed of advantage of technology to hole to follow up to summarize to study , feasibility , economy .
