- Chip gullet design
 - Good choice for manual machines
 - Good for most steel applications
 
                    Unit of Measure
                    
               
        
            
                                                                                Units Per Package | 
                                                                        N/A 10 | 
                                                                                Insert Style | 
                                                                        N/A TNMG-321-B25 (-160304-B25) | 
                                                                                Length | 
                                                                        N/A .645" | 
                                                                                Diameter | 
                                                                        N/A 3/8" | 
                                                                                Thickness | 
                                                                        N/A 1/8" | 
                                                                                Radius | 
                                                                        N/A 1/64" | 
                                                                                Grade | 
                                                                        N/A ST30A |