Mostly suitable for the production of parts with top concentricity.lt is foruniversal use,hawever particularly advantageous for grinding machines.indexing heads and lathes:
adjusting accuracy within 0.005mm
repeatability0.015mm
The clamped workpiece is adjusted to the required concentricity by meanof 4 or8 radially arranged adjusting screws
	 
 
	
		
			
				| 
						Chuck Size 
					 | D | D1 | D2 | D3 | H | H1 | h | z-d | 
						Solid Jaws 
					 
						Cast iron body 
					 
						
 | 
						2-Piece Jaws 
					 
						Cast iron body 
					 
						
 | 
			
				| 125 | 127 | 60.33 | 112.73 | 33 | 95.7 | 56 | 16.7 | 3-M6 | PI6-125 | PI6-125A | 
			
				| 5 in. | 5 | 2.375 | 4.438 | 1.299 | 3.768 | 2.205 | 0.657 | 3-1/4-20 | PI6-5" | PI6-5"A | 
			
				| 160 | 152.5 | 79.37 | 135.7 | 39 | 98.6 | 59 | 17.5 | 6-M6 | PI6-160 | PI6-160A | 
			
				| 6 in. | 6 | 3.125 | 5.343 | 1.535 | 3.882 | 2.323 | 0.689 | 6-1/4-20 | PI6-6" | PI6-6"A | 
			
				| 200 | 210 | 120.65 | 190.5 | 57.5 | 132.2 | 79.3 | 19.1 | 6-M10 | PI6-200 | PI6-200A | 
			
				| 8 in. | 8.27 | 4.75 | 7.5 | 2.264 | 5.206 | 3.122 | 0.752 | 6-3/8-16 | PI6-8" | PI6-8"A | 
			
				| 250※ | 254 | 161.9 | 111.13 | 72 | 153.8 | 88.7 | 20.4 | 6-M12 | PI6-250 | PI6-250A | 
			
				| 10 in.※ | 10 | 6.374 | 4.375 | 2.835 | 6.056 | 3.492 | 0.803 | 6-7/16-14 | PI6-10" | PI6-10"A | 
			
				| 315※ | 305 | 200.79 | 133.35 | 83 | 166.9 | 101.1 | 20.4 | 6-M12 | PI6-335 | PI6-335A | 
			
				| 12 in.※ | 12 | 7.905 | 5.25 | 3.268 | 6.569 | 3.98 | 0.803 | 6-1/2-13 | PI6-12" | PI6-12"A | 
			
				| 380※ | 381 | 299.237 | 171.45 | 108 | 223.5 | 136.2 | 27 | 6-M16 | PI6-380 | PI6-380A | 
			
				| 15 in.※ | 15 | 11.781 | 6.75 | 4.252 | 8.799 | 5.362 | 1.063 | 6-5/8-11 | PI6-15" | PI6-15"A |