4 Inch 3 Jaw Lathe Chuck With MT3 Shank Non Rotating For CNC And Heavy Duty Benchtop Machines, Dope Precision, Hardened Jaws RC 60-62, 0.002 Inch Accuracy, 4200 RPM, External Jaws Included

High-precision 4-inch MT3 non-rotating 3-jaw chuck, single unit
✔️ MT3 shank, 4 in (100 mm) dia, 0.002 in accuracy, 4200 RPM

This is a 4-inch, 3-jaw lathe chuck with MT3 shank designed for CNC and heavy-duty benchtop machines. The non-rotating chuck plate and hardened jaws provide repeatable grip for round stock and challenging materials.

✅ Outside diameter: 100 mm (4 in) dia
✅ Shank: MT3, non-rotating chuck plate
✅ 3-jaw precision with hardened jaws Rc 60-62
✅ Max speed: 4200 RPM, accuracy 0.002 in (0.05 mm)
✅ External jaws included, semisteel body

💡 What is a lathe chuck used for in precision machining? In general, a lathe chuck grips and centers workpieces for turning operations. - Handy for securing round stock on CNC and bench-top lathes - Improves repeatability and grip when using MT3 shanks - Ideal for precision turning with 3-jaw chucks