6-Inch 3-Jaw Self-Centering Lathe Chuck, 1-1/2-8

6 inch 3 jaw lathe chuck delivers fast, repeatable centering for cleaner turning, drilling, and milling setups. This self-centering scroll chuck pairs with a 1 1/2 in-8 threaded backing plate for a stable, time-saving mount. Built from HT300 cast iron with hardened jaws and scroll plate, it holds wood or metal workpieces securely across a wide clamping range—ideal when you need consistent grip without constant re-indicating.

• Delivers self-centering clamping to reduce setup time and maintain repeatable accuracy


• Fits 1 1/2 in-8 spindle threads via included threaded backing plate for a secure connection


• Handles internal clamping from 0.12–5.71 in (3–145 mm) for versatile workpiece sizing


• Supports external jaw clamping from 1.97–6.3 in (50–160 mm) for larger diameters


• Includes T-wrench screws and separate jaws for straightforward installation and operation

Designed for quick-scan reliability on the lathe, this 3-jaw chuck combines compact geometry with high-hardness components to help keep your work steady under load. Use it for general turning, facing, drilling, and light milling tasks where stable grip and smooth, self-centering action matter. Whether you’re upgrading a shop lathe or replacing a worn scroll chuck, this set makes it easy to get back to consistent holding power with fewer adjustments. Grab yours today and keep your next setup moving.

• Type: 3-jaw self-centering lathe chuck with threaded backing plate


• Outer diameter: 6 in / 160 mm


• Inner diameter: 1.77 in / 45 mm


• Overall size: φ6.3 x 4.33 in / φ160 x 110 mm


• Thread: 1 1/2 in-8


• Internal jaw clamping range: 0.12–5.71 in / 3–145 mm


• External jaw clamping range: 1.97–6.3 in / 50–160 mm


• Main material: HT300 cast iron


• Jaw hardness: ≥53 HRC; scroll plate hardness: ≥45 HRC


• Net weight: 22.05 lb / 10 kg