This product of selected quality steel stands out for its functional and sturdy construction. Its one-piece stem and drill ensure optimal accuracy in its performance. In addition, its high hardness guarantees long durability and at the same time remarkable elasticity. It is ideal for machining a variety of materials such as metal, non-ferrous metal, plastic, plates, soft and hard wood. It is recommended to use it at a speed of approximately 8,000 revolutions per minute on soft materials and 3,000 revolutions per minute on hard materials. Its stem has a diameter of 2.35.