High quality This drill bit adopts high quality carbide tip and solid hardened steel body to ensure its high hardness, rust resistance, sharpness and durability; [ Product size] Drill diameter: 60 mm, round rod diameter: 10 mm, drilling depth: 60 mm, total length: 90 mm. Versatile tool Our carbide drill bits can be widely used for drilling holes in wood, plastic products, furniture, door hinges and tables. Used for cutting wood, plywood, solid wood boards, MDF, plastic, etc. [Warm Tips] Smaller size drill bits can be used with ordinary hand drills. For large drill bits, it is better to use machines with good clamping performance for drilling operations, such as drill presses, bench drills, vertical drills, vertical electric drills, etc. If you need to use a hand-held electric drill for operation, it is best to use a vice with clamping effect. Note: The data are all measured manually. Due to differences in light and display, please allow 1-3cm error. Please refer to the actual item received.