Wood Bolt Torque Calculator
Estimate a bolt torque for wood connections from diameter and a torque coefficient. Preliminary only.
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Estimate a bolt torque for wood connections from diameter and a torque coefficient. Preliminary only.
Wood Bolt Torque Estimator
Enter your numbers below for an instant estimate.
How It Works
Key concepts behind this calculator
Enter Values
Fill in each field with your own numbers.
Calculate
Results update as you change the inputs.
Review
Read the breakdown and the explanation.
Adjust
Change values to compare scenarios.
Wood Quick Guide
Typical values for reference.
| Dia mm | Force kN | K | Torque N·m |
|---|---|---|---|
| 6 | 3 | 0.2 | 3.6 N·m |
| 10 | 8 | 0.2 | 16.0 N·m |
| 12 | 12 | 0.2 | 28.8 N·m |
| 16 | 20 | 0.2 | 64.0 N·m |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Wood Bolt Torque Calculator FAQ
Answers to common questions about this calculator.
The wood can crush and lose clamp force.
Yes, they spread the load.
Torque T = K x d x F (d in metres, F in newtons). Shown in N·m.
It is an estimate based on the inputs you enter. Check real quotes, labels or official guidance for important decisions.