Hey machinists and workshop enthusiasts! This 4-inch 4-jaw self-centering lathe chuck is exactly what you need for precision metalworking projects. The K72-100 model features a solid 100mm diameter with a 25mm bore, giving you that perfect balance of size and functionality. What's really cool is how versatile this chuck is - you get both internal jaws that handle 6-45mm and external jaws for 40-100mm clamping range, so you can work with all sorts of different sized materials. The self-centering feature makes setup so much faster than dealing with independent jaws, and the reversible design means you can flip them depending on your project needs. The construction is seriously durable too - the chuck base is hardened material with quenched components that can handle heavy use without wearing out. It comes with everything you need right in the box: the chuck itself, a wrench for adjustments, and four screws for mounting. The precision short cylindrical center mounting ensures your workpieces stay perfectly aligned during turning operations. Whether you're working on a general lathe, woodworking projects, or any machine tool that needs reliable workpiece holding, this chuck delivers professional performance without the professional price tag. The compact design doesn't sacrifice strength, and the independent jaw adjustment gives you that extra control for irregular shaped pieces. Seriously, if you're tired of struggling with inferior chucks that can't hold your workpieces securely, this 4-jaw self-centering model is a game-changer for your workshop efficiency.
Free 30-day returns 
Free 30-day returns
