Haglof Increment Borer 500mm 3-thread Digging Comprises 4 triangular shaped tool

Comprises 4 triangular shaped tool steel cutting teeth

4m square x 2

All fasteners are 18-8 stainless steel

weight 140g

Published 1997

Haglof Increment Borer 500mm 3-thread Digging Comprises 4 triangular shaped toolHigh 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