Haglof Increment Borer 500mm 3-thread Digging All fasteners are 18-8 stainless

All fasteners are 18-8 stainless steel

Each species description is accompanied by line drawings and/or colour photos

Comprises 4 triangular shaped tool steel cutting teeth

weight 140g

4m square x 2

Haglof Increment Borer 500mm 3-thread Digging All fasteners are 18-8 stainlessHigh 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. 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. 500mm, 5. 15mm diameter, 3