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Haglöf Increment Borers
- High quality Swedish made increment borers to extract cores of wood from trees to determine growth rate, age, chemical penetration and soundness
- Teflon coated bit reduces friction and protects against rust and resin build-up
- 5.15mm diameter
- 200mm, 300mm, 400mm, 500 and 600mm lengths
- Available in 2-thread or 3-thread
- We strongly recommend using 2-thread borers for Australian hardwoods and 3-thread borers for softwoods - 2-thread borers provide easier penetration in tough timbers