Version:
	
	
                
                    
		The ER plus precision boring tool can be adapted directly on to the ER40 collet chuck.
                
                
            
                
	
		Application:
	
	
                
                    
		For boring bars with shank ⌀ 16 mm and insert toolholder.
Can be extended with adapter and insert toolholder to ⌀ 152.1 mm.
Adjustment accuracy 0.01 mm / with vernier 0.002 mm on the ⌀.
Boring bars with suitable standard ISO insert type CC..0602.
Insert toolholders with suitable standard ISO insert type CC..09T3.
                
                
            
                
	
		Supplied with:
	
	
                
                    
		1 pc. each boring bar (max. boring length): No. 
237630 boring bar ⌀ 9.75 − 20.1 mm (30 mm);
No. 
237634 boring bar ⌀ 19.75 − 30.1 mm (72 mm);
No. 
237640 boring bar ⌀ 29.75 − 48.1 mm (85 mm);
No. 
237642 boring bar ⌀ 47.75 − 88.1 mm (85 mm).
1 insert toolholder: No. 
237645 for ⌀ 87.75 − 101.1 mm (with adapter No. 
237534 up to ⌀ 114.1 mm).
1 each of insert: No. 
260052 size CU7010 (or use CC..0602);
No. 
260058 size CU7010 (or use CC..09T3).
Spare part:
	
	
                
                    
		
                
                
            
                
	
		Recommendation:
	
	
                
                    
		- Indexable insert No. 265340 size F (CBN) for hardened materials. 
- Indexable insert No. 237695 size HB7015 for deep holes and small boring-out allowances (good chip control with reduced cutting forces).
Note:
	
	
                
                    
		During the extraction cycle, ensure cutting edge orientation ±20°!