Unit of Measure
                    
               
        
            | Material | N/A Ground thread/high speed steel | 
| Tap Size | N/A 1/2 in | 
| Threads per Inch (NC/UNC/UNJC) | N/A 13 | 
| Limit No. | N/A H3 | 
| No. of Flutes | N/A 4 | 
| Overall Length | N/A 7 in | 
| Thread Length | N/A 2 1/2 in | 
| Square Length | N/A 7/8 in | 
| Shank Diameter | N/A 0.400 in | 
| Square Size | N/A 0.300 in | 
| Basic Major Diameter | N/A 0.500 in | 
| Basic Pitch Diameter | N/A 0.4500 in | 
| Quantity Price Breaks Available | N/A Request Price Breaks | 
 
 
