Drywood Borer

The RINNTECH Increment Borer is used for taking 5mm (~1/5″) increment cores from trees and (intact) timber. The borer can be driven manually or by a portable drill. For long term use, the borer can be re-sharpened.

The RINNTECH Borers are available in 2 versions::

• BORER-170: 170mm long Drywood Borer, with an inner diameter of 7mm and an outer diameter of 16mm
• BORER-250: 250mm long Drywood Borer, with an inner diameter of 7mm and an outer diameter of 16mm