4-Jaw Lathe Chuck, Independent Reversible Jaws, 125mm

4 jaw independent lathe chuck grips irregular stock with precise, adjustable jaw control for centered turning and safer machining. This 125 mm (5") chuck uses a durable cast iron body with reversible jaws to switch between internal and external clamping ranges. Independent jaws help you true up square, round, or off-center workpieces, while hardened steel gears and pinions support consistent operation. Built for mini metal lathes and general metalworking setups.

• Delivers independent 4-jaw adjustment for truing and holding round, square, and irregular workpieces


• Includes reversible jaws for internal clamping 7–57 mm and external clamping 48–125 mm


• Improves accuracy with ≤0.07 mm (0.003") tolerance for controlled metal turning results


• Reduces setup time with T-handle chuck key and smooth bevel gear engagement


• Supports long service life with cast iron chuck body and steel jaws, pinions, and bevel gear

Dial in your setup faster when the workpiece isn’t perfectly round. This 4 jaw independent chuck lets you adjust each jaw separately for precise centering, intentional offset turning, and secure clamping across a wide range of diameters. Reversible jaws extend flexibility for both internal and external grip, making it a practical accessory for mini lathes, hobby machining, and general workshop metal turning. Add it to your tool lineup to handle more shapes with less fuss—grab yours today.

• Chuck diameter: 125 mm (4.92") / 5 inch


• Chuck body material: Cast iron


• Jaws material: 40CR steel


• Pinions material: 20CR steel


• Bevel gear material: 40CR steel


• Tolerance: ≤0.07 mm (0.003")


• Internal jaw clamping range: 7–57 mm (0.276"–2.244")


• External jaw clamping range: 48–125 mm (1.89"–4.92")


• Gross weight: 4.92 kg (10.84 lb)


• Package dimensions: 15 x 14 x 10 cm (5.9" x 5.5" x 3.93")