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← 4.1 Measuring and Marking Out Tools

The dot punch

Pre-Technical Studies · Grade 7 · about 40 minutes

Use a dot punch, held square and tapped lightly, to make a pit for a drill start or a divider pivot, with eye protection.

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  • 8 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
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Other lessons in this sub-strand

  1. Why measuring and marking out matter
  2. Measuring tools and marking-out tools
  3. The tape measure
  4. The steel rule
  5. Callipers
  6. The weighing balance
  7. The stopwatch
  8. The ammeter
  9. The voltmeter
  10. Selecting measuring tools for a task
  11. The divider
  12. The try-square
  13. The marking gauge
  14. The scriber
  15. The dot punch
  16. Pencil and marking knife
  17. Using tools to mark out a task
  18. Caring for measuring and marking-out tools