Master Gripping Self Centering Chuck

THESE CHUCKS ARE SUPPLIED 2, 3, 4 & 6 JAWS. THE JAWS ARE MADE IN TWO PORTIONS. THE ONE IS BASE HARD JAW FITTED IN THE BODY. ONE SET OF TOP HARD REVERSIBLE AND ONE SET OF TOP SOFT JAW ARE SUPPLIED WITH EACH CHUCK. TOP HARD REVERSIBLE & TOP SOFT JAWS ARE MOUNTABLE IN THE SAME BASE HARD JAW WITH ALLEN BOLTS PROVIDED WITH THE CHUCK. THE ADVANTAGE OF THESE CHUCKS IS THAT USER CAN MODIFIED THE SOFT JAW AS PER THEIR REQUIREMENT.
MATERIAL COMPOSITION :
* BODY : SEMI STEEL BODIES ARE MANUFACTURED FROM HIGH TENSILE GRADE 25 CAST IRON, HARDNESS 180-210 BHN.
* JAWS : JAWS ARE MADE OF LOW CARBON CASE HARDENING STEEL AND HARDEN IN MODERN HEAT TREATMENT PLANT, HARDNESS 55-62 HRC.
* SCROLL : SCROLL PLATES ARE MANUFACTURED FROM FORGED WEAR RESISTANT ALLOY STEEL, HARDNESS 40-45 HRC.
* PINION : PINIONS ARE MADE OF CASE HARDENING ALLOYS STEEL HARDNESS 40-45 HRC.

SPECIAL FEATURES OF TURNO PLUS :
* KNOB & JAWS WAYS TO BODY HARDENED & GROUND.
* SCROLL BORE & THREADS PRECISION GROUND FROM BOTH SIDES.
* JAWS TEETH PRECISION GROUND FROM BOTH SIDES.
* HARDENED & GROUND PINION.
* ACCURACY LESS THAN 0.04 MM FROM 160-315 MM CHUCKS.
* PARTS INTERCHANGEABLE.