4 Jaw Chuck

4 jaw chuckGMT 4 Jaw Chuck – Manual

The following features of the GMT 4 jaw chuck makes this chuck superior to other four jaw independent chucks available. CALL +91 87544 83577 or mail us at esales@gmt.co.in

The chuck body is made of medium carbon steel forging, hardened and tempered, to ensure long life and strength of the chuck. This design also ensures ductility and good wear resistance. Additionally, precision grinding of the base jaw slots in the body ensures close tolerances for a good sliding fit. This results in  play free functioning, high load carrying capacity and maximum wear resistance, so the chuck can handle heavy operating forces.

GMT system of independent four jaw chucks has separate jaws and reversible hard jaws. This gives the flexibility to use special hard jaws to suit specific components. The hard jaws connect to the base jaws by tongue and tenon. As a result, they can grip a wide range of components, either on their outside, or inside diameter.

Base jaws are made of alloy steel and case-hardened to provide adequate wear resistance on the surface. Also, it is deeper and wider for providing large bearing areas which reduces unit bearing pressure, thereby increasing the life of the chuck. Square threads cut on the screws and on the underside of the base jaws ensure that they mesh with each other over a larger area. This results in efficient transmission and conversion of applied torque. Heat treated screws also protect the jaw from breakage, a common complaint in commercial quality chucks. Download technical data.


GMT 4 jaw chuck is useful to grip rectangular and other non-cylindrical shapes for turning or facing. While it lacks the self-centering convenience of the the 3-jaw chuck, it has other advantages.

Features of 4-jaw chuck:

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