Deligo HPILONG Holesaw Premium Tool Steels Arbour Pilot Drill 110mm\n- Suitable for use with bi-metal hole saws.- Withstands high-temperature applications for extended periods of time.- Holesaw Arbour Pilot Drill designed for drilling in hard steel.- Arbours include replaceable, high-speed steel Pilot drills.- Pilot drills have a unique split-point tip design.\nThe HPILONG Holesaw Arbour Pilot Drills are made of premium tool steels, carefully treated, have maximum strength and hardness, a tendency to stay longer. These are standard designs, and fits a wide range of hole saws in the markets. The HPILONG Holesaw Arbour Pilot Drill is designed for drilling in hard steel.\nFeatures:\n- Brand: Deligo.- Material: High-Quality Steel.- Quality tool steel with precision heat treatment.- Hardened carbon steel for strength.- Condition: New.- Size: 110mm.