Oumefar Key Type Drill Chuck 5-20mm Lathe Drill Chuck Key Drill Chuck Converter Tool with MT3 Tool Holder Extension Adapter with Socket Adapter Drill Chuck Steel CNC Machine Drill Tool Lathe

【ANTI-CORROSION】A well-polishing surface,which makes the chuck antioxidative, waterproof and anticorrosion.Made by fine and strict workmanship,ensures long service life of the drill machine 40 STEEL MATERIAL】Our hardened and wear-resistant steel chuck made of high hardness 40 steel material,which has a long service life and good comprehensive mechanical properties 【STRONG FORCE】 Our drill has strong force, the clamping range is 5-20mm,very convient and economical,.The bottom structure is complete, which can provide a stable environment for you to use 【SIZE】Our tools eqquied with a B22 drill chuck, a MT3 tool holder and a drill key,made by fine and strict workmanship,you can install the chuck very easily and quickly,save your effort and your time 【HIGH TECHNOLOGY】High quality B22 drill chuck ,made of strict technology, stable in performance and easy to use, the drill chuck has high precision, the drill body is completely hardened, and is not afraid of collision