Arix core drill bit

Drill is used for drilling in solid material out through holes or blind holes, and is able to existing hole reaming tool. Commonly used mainly twist drill, flat drill, center drill, deep hole grass cutting tct saw blade nd core drill. Reamer and countersink drill, although not in the physical material drilling, but the habit will also drill them into a class. There are two kind of drill in drilling in concrete, etc., can ease the drilling status of a sudden change in the situation, so that electroplated core drill bit operations stable, even when a large grain chips, drilling efficiency is not caused by lower drill. A drill bit arranged at the front end comprising a plurality of cutting edge portions, and is provided at the base end side of the cutting blade portion and formed with a shaft-shaped shank of non woven flap disc to the base end portion.