Reparación de taladro giratorio con afilador de herramientas de reparación de muela abrasiva,

(High Precision Drill Sharpener Sharpener Twist Drill Repair with Grinding Wheel Repair Tool Sharpener. standard grinding wheel :CBN (high-speed steel special) or SDC (tungsten steel special) ). apex angle: 90 ° -140.

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