The Rannb Twist Straight Drilling Length is a fantastic choice for industrial drilling. According to my experience, these bits are strong and durable able to work through tough materials with ease... The design of these drills allows for a clean, accurate cut that is essential for precision drilling. However, the only downside I found was the price point, which might be a bit steep for some customers. Nonetheless, this drill is worth investing in for its unbeatable performance..See full review