M18 Keyless Hand Drill Chuck 1/2-20UNF Installation Seat, 2-13mm Self Locking Chuck Adapter Converter Stable and Durable Structure Meets Drilling Needs of Different Materials and Scenarios

[Wide Range Clamping]: The clamping range of the drill chuck covers 2 millimeters to 13 millimeters (0.04-0.51 inches), and can be adapted to various sizes of drill bits to meet the drilling needs of different materials and scenarios. There is no need to frequently replace the chuck, which improves work efficiency. [Adaptive Size Design]: diameter 43 millimeters (1.69 inches), length 71 millimeters (2.8 inches), comfortable grip; The connection size is 1/2-20UN, which is compatible with most drilling rig models and has strong adaptability, reducing adaptation concerns. [Keyless Automatic locking]: With a keyless design and automatic locking function, the drill bit can be easily inserted and removed manually without the need for additional tools, saving time and energy for drilling operations. [Stable and Durable Structure]: can firmly fix the drill bit, avoid loosening during operation, and ensure drilling accuracy; The overall structure is sturdy and can withstand long-term, high-intensity drilling use, with a longer service life and guaranteed stability. [Convenient Installation and Disassembly]: The keyless design simplifies the installation process, allowing users to quickly connect or disassemble the chuck to the drilling rig without complex steps, saving time and effort, and reducing the threshold for tool replacement.