For use on Butbro Orbit torch 5/16” x 25 TPI thread. Use in conjuction with DH neck 62017.
| Range | Size | 
| to 1.0mm | 1 | 
| 1.0mm - 1.5mm | 2 | 
| 1.5mm - 2.0mm | 3 | 
| 2.0mm - 2.5mm | 5 | 
| 2.5mm - 3.0mm | 7 | 
| 3.0mm - 4.0mm | 10 | 
| 4.0mm - 5.0mm | 13 | 
| 5.0mm - 6.0mm | 18 | 
| 6.0mm - 8.0mm | 25 | 
Malaysia