- Drilling depth: 400 mm
- Cutting edge: 3-helical
- Core diameter: 5.0 mm
Delivery contents:
- Increment borer with shank, drill and needle
- Instructions Manual
Jim-Gem increment borers are used for taking core samples and thus checking the quality of the wood and measuring the growth rate of trees. The increment borers are manufactured from special steel and Teflon coated to prevent friction heat (important for inspecting standing / sap conducting trees).
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