انواع مختلفی از نگهدارنده ابزار وجود دارد. ما معمولا نگهدارنده ابزار چاک کولت BT50 و BT40 را می بینیم . BT refers to the taper shank of the machining center manufactured by the Japa n standard MAS403, with a manipulator clamping slot;
BT tool holders, made of high-quality materials- 40Cr / 20CrMnTi , has good elasticity and wear resistance after heat treatment, high precision and stable performance. It is mainly used for clamping tool holder and tool in drilling, آسیاب, reaming, tapping and grinding.