This industrial drill bit truly is a game-changer. Through trial and error, I found that this is exactly what I needed for my cutting tools .The carbide design makes it durable and long-lasting, which makes it great for use in both industrial and scientific settings. The precision and accuracy of its 4-inch size make it ideal for any job. The only downside is its higher price point, but the quality more than justifies the cost. Overall this reliable tool has exceeded my expectations and i would highly recommend it to anyone in need of a TOP-TIER drill bit..