  | Peripheral insert for general-purpose drilling of various materials $68.00  |  
  | 
  | Central insert for general-purpose drilling of various materials $68.00  |  
  | 
  | Peripheral insert for drilling of stainless steels $68.00  |  
  | 
  | Central insert for general-purpose drilling of stainless steels $68.00  |  
  |