Rise round pin and contain its location frock of special use of preventing fixing a position area bits

The utility model provides a rise round pin and contain its location frock of special use of preventing fixing a position area bits, the special use round pin that rises includes the round pin body, the round pin body includes the fixed position end and rises by tight positioning end, be equipped with annular boss between tight positioning end and the fixed position of the rising end, at least, set up on the boss 2 link up the boss lead bits the hole. The special use that should prevent fixing a position the area bits round pin that rises, simple structure, convenient to use can effectively get rid of work piece processing sweeps, and should rise the round pin can original rise sell process can, low in production cost. 种防定位面积屑的专用涨销及含其的定位工装，专用涨销包括销本体，所述销本体包括固定定位端和涨紧定位端，所述涨紧定位端与固定定位端之间设有环形的凸台；所述凸台上至少开设有2个贯通凸台的导屑孔。该防定位面积屑的专用涨销，结构简单，使用方便，可有效去除工件加工废屑，且该涨销可在原有的涨销上进行加工即可，生产成本低。