BA
DIN 382 
for British Association Standard Thread BS93
| Symbol | P mm | S mm | L mm | Z | Article number |
| 0BA | 1.0 | 19 | 7 | 4 | 7161 0 BA |
| 1BA | 0.90 | 19 | 7 | 4 | 7161 1 BA |
| 2BA | 0.81 | 19 | 7 | 3 | 7161 2 BA |
| 3BA | 0.73 | 19 | 7 | 3 | 7161 3 BA |
| 4BA | 0.66 | 19 | 5 | 3 | 7161 4 BA |
| 5BA | 0.59 | 19 | 5 | 3 | 7161 5 BA |