Series: WHITWORTH, External, RH M-Type 
Designation  | 
                    IC Inscribed Circle Dia.  | 
                    TPI Threads Per Inch  | 
                    RE Corner Radius  | 
                    INSL Insert Length  | 
                    PDX Profile Distance Ex  | 
                    PDY Profile Distance Ey  | 
        |
|---|---|---|---|---|---|---|---|
| 16ERM11W | 0.375 | 11 | 0.011 | 0.649 | 0.059 | 0.043 | |
| 16ERM14W | 0.375 | 14 | 0.009 | 0.649 | 0.047 | 0.039 | |
| 16ERM16W | 0.375 | 16 | 0.008 | 0.649 | 0.043 | 0.035 | |
| 16ERM19W | 0.375 | 19 | 0.006 | 0.649 | 0.039 | 0.031 |