This is new/unused Kennametal solid carbide 14.3mm coolant through drill. It is a high-performance drill designed for metalworking applications. Made in the United States, this drill bit features a 3-1/8" flute length and a 5-1/4" overall length. The solid carbide material ensures durability and long-lasting performance, while the coolant through design helps to dissipate heat and prevent premature wear. This drill bit is ideal for professional machinists and metalworkers looking for precision and reliability in their drilling operations.