Related Clues:
- Turning point in construction?
- Fastener with a thread
- Prison officer's pay
- Guard's company
- Spin in snooker, pool etc
- One may have a flat head
- Prison officer’s wage
- Wages of small company
- Screw -- one left over found within wide-mouthed vessel
- Fastener fitting into a nut
- Metal fastener; salary
- One that might get turned into stone?
- Turning point in a DIY project?