Master Gripping (MTJ) Self Centering Chucks

The MTJ chucks have jaws made in two parts. A base hard jaw is fitted into the body. Each chuck comes with one set of top hard reversible jaws and one set of top soft jaws. Both types of top jaws can be mounted on the base hard jaw using the provided Allen bolts. The soft jaws can be modified to meet specific user requirements, with MTJ chucks available with 2, 3, 4, or 6 jaws. 

The chuck has the following features: 

BODY
Semi-steel bodies are manufactured from high-tensile grade 25 cast iron with a hardness of 180-210 BHN. 

JAWS
Jaws are made of low carbon case hardening steel and hardened in a modern heat treatment plant with a hardness of 55-60 HRC

SCROLL
Scroll plates are manufactured from forged wear resistant alloy steel with a hardness of 40-45 HRC.

PINION
Pinions are made of case hardening alloy steel with a hardness of 40-45 HRC.

SPECIAL FEATURES

■ Knob & jaws ways of body hardened & ground.

■ Scroll bore & threads precisely ground from both sides.

■ Jaws teeth precisely ground from both sides.

■ Hardened & ground pinion.

■ Accuracy less than 0.05mm of 160-315 mm chucks.

■ Parts interchangeable.