1.513mm electric drill chuck, manual tightening, 1/220UNF thread with self-locking loop drill bit

Features: 1. Thin outer sleeve, easy to tighten, significantly increases output torque, high working efficiency. 2. Unique thrust bearing, easily converts torque into greater clamping force, with a clamping range of 1/16-1/2in. 3. Concave-convex surface allows the front and rear sleeves to cooperate effectively, effectively reducing vibration. 4. With self-locking function, quick to use, does not easily slip. 1/2-20UNF thread, easy to install and remove, more economical in terms of labor. 5. Widely used for impact drills and AC/DC electric drills of different power levels. Made of high-quality iron and plastic, sturdy and durable. Specifications: Item Type: Drill Chuck Material: Iron + Plastic Model: J1513JY-040 Scope of Application: Impact drill and AC/DC electric drill of different power Thread Interface: 1/2-20 UNF Clamping Range: 1.5-13 mm (1/16-1/2 inch) Package List: 1 x Chuck