생장추 보수(Sharpening an increment borer by Chhin Lab.)

A short how-to video on the proper techniques for sharpening an increment borer using an increment borer sharpening kit. It is not recommended that you over-sharpen your increment borer (this could make the bit brittle and prone to breaking), you should only sharpen it if it needs to be sharpened. 

Remember: Clean your increment borer frequently (using a gun cleaning kit) and apply WD-40 to prevent deterioration and rusting. 

Chhin Lab: Michigan State University - Department of Forestry

 

 

 

 

 

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