The Morse Taper Drill Chuck Arbor with Tang from Busy Bee Tools is a precision-machined adapter designed for mounting Jacobs Taper (2JT) drill chucks onto machines with a #4 Morse Taper (4MT) spindle. Made from hardened and precision-ground steel, this arbor ensures a secure, stable, and accurate connection, making it an essential tool for drill presses, lathes, and milling machines. Features: Converts Morse Taper (MT4) to Jacobs Taper (2JT) for drill chuck mounting Hardened and precision-ground steel construction for durability and accuracy Tang design prevents slipping and ensures a secure fit in the spindle Provides a strong and stable connection for precise drilling operations Compatible with drill presses, lathes, and milling machines Specifications: Morse Taper (MT): 4MT Jacobs Taper (JT): 2JT Material: Hardened, precision-ground steel Comes With: One Morse Taper Drill Chuck Arbor (4MT to 2JT) with tang