external thread
| chaser
| external thread | |
| pack. | filettatura a vite |
| chaser | |
| industr. construct. mech.eng. | pettine; pettine per filettare |
| |||
| filettatura a vite | |||
|
external thread : 2 phrases in 2 subjects |
| Industry | 1 |
| Metallurgy | 1 |