Screw Pilot Calculator
Pick the right pilot-hole drill bit for each screw size and wood species.
Screw Pilot Hole Calculator
Find the correct pilot and clearance hole sizes for screws in softwood or hardwood applications.
How to use
- Enter your inputs in the fields above.
- Review the live result and adjust values as needed.
- Use the tips below to improve accuracy and efficiency.
Pro tips
- • Measure twice—small input errors can snowball.
- • Include kerf, waste, and setup time so you don’t underbid.
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