CARE

Care

CARE REQUIRED FOR LONG-LASTING

CARE REQUIRED FOR LONG-LASTING USE OF STAR-M PRODUCTS.

Set the screw point of the auger down on a piece of wood with the other end pointing up at approximately 45°.
The wood protects the screw point from being damaged while the bit is being sharpened.


How to grind the cutting lip
Cutting lip Cutting lip
@Top surface and slanting surface create primary cutting edge.
AGrind the slanting surface until cutting edge becomes smooth.


How to grind the spur
Spur Spur
BGrind the inner surface of the spur wear part has been gone.
CGrind the spur to be round shape and remove burr by grinding on the spur.