How to repair and sharpening drill bits, sharpen drill bits for metal скачать в хорошем качестве

How to repair and sharpening drill bits, sharpen drill bits for metal

Tutorial. Sharpen your quick and easy drill, drill bits sharpener, manufacturing, how it's made HISTORY: How to repair and sharpening drill bits This imaginary line has to be kept horizontal Front view of the drill bit The angles of the drill bit against the abrasive stone are: vertical (0º) and horizontal (59º) , approximately Reduce both sides taking into account that the tip is well centered Finished equalization... Now it is necessary to lower the back part with respect to the cut line To perform this operation it is NOT necessary to respect the angles: imaginary, vertical and horizontal Be careful not to damage the cutting line by lowering the rear area With smaller or larger drill bits the procedure is the same Now the empirical test 6 mm drill bit 13 mm drill bit