Drill Bit Selection for Metal vs Concrete vs Wood
Different substrates need different drill bits.
Stop if
- For this [material], what bit type and size? Step bit for sheet metal holes?
Watch out
- Don't use wood bits on metal or concrete. Don't force dull bit. Don't use bit larger than fastener requires.
Check
- Material being drilled?
- Diameter needed?
- Through-hole or tapped?
Steps
- Material being drilled?
- Diameter needed?
- Through-hole or tapped?
Say this to your foreman
For this [material], what bit type and size? Step bit for sheet metal holes?
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