 |
| |||
| cup-head screw; round screw | |||
| cup head screw; round head screw | |||
| round-headed screw | |||
| button-head screw (крупный крепежный); round-head screw (мелкий крепежный) | |||
| button-head screw; piano head screw | |||
| round-head screw (мелкий крепёжный); button-head screw (крупный крепёжный); pan head screw (Lonely Knight); lens head screw (DmitrySim) | |||
| cross-head screw (oleg.vigodsky) | |||
| винт с полукруглой головкой: 5 phrases in 3 subjects |
| Automated equipment | 1 |
| Construction | 1 |
| Mechanics | 3 |