Union Butterfield® Forming Tap, Series: 1580, Measurement System: Imperial, #0-80, UNF, Bottoming Chamfer, 5/16 in Thread Length, 1-5/8 in Overall Length, Right Hand Cutting, Class of Fit: 2B/3B, 0.141 in Shank Dia, 0.11 in Square Size, HSS, Bright, H2 Thread Limit
| Chamfer Type | : | Bottoming |
| Class of Fit | : | 2B/3B |
| Cutting Direction | : | Right Hand |
| Finish/Coating | : | Bright |
| Material | : | HSS |
| Measurement System | : | Imperial |
| Overall Length | : | 1-5/8 in |
| Series | : | 1580 |
| Shank Diameter | : | 0.141 in |
| Square Size | : | 0.11 in |
| Thread Length | : | 5/16 in |
| Thread Standard | : | UNF |
| Thread Size | : | #0-80 |
| Thread Limit | : | H2 |