This 4-Jaw Self-Centering Chuck Kit with M14x1 internal thread and R8 Arbor Drawbar is the ideal workholding solution for machinists, hobbyists, and professionals seeking fast and accurate part centering. Available in two sizes — 50mm and 65mm, this chuck is perfect for smaller CNC setups, milling machines, and mini lathes. The self-centering 4-jaw mechanism ensures all jaws move in unison, making it effortless to clamp round, symmetrical, or concentric parts for turning, facing, drilling, and milling. The R8 arbor allows for a quick, rigid connection to machines with R8 drawbars, increasing efficiency and alignment precision. Constructed from industrial-grade hardened steel, this chuck delivers strength, accuracy, and durability — whether you're working in a home workshop or a professional setting. 🔷 Technical Specifications Feature Details Chuck Type 4-Jaw Self-Centering Available Sizes 50mm & 65mm Thread Size M14x1 Arbor Type R8 Arbor with Drawbar Material Hardened Steel Jaw Action Self-Centering (Simultaneous Movement) Compatibility Milling Machine, Drill Press, CNC Applications Turning, Facing, Drilling, Clamping Included Accessories Chuck, R8 Arbor, Chuck Key