Features:♦ Special equipment for grinding screw taps. Precise and fast, easy to operate, no special skills required, time and cost saving;♦ Mainly used for apex angle grinding;♦ The grinder uses diamond grinding wheel with an accurate angle and long service life;♦ Electronic DC motor control: stable, high-efficient, powered, long time use;♦ Can be customized for left-hand tread screw tap.SpecificationsGD-Y3Ginding RangeM5-M20Apex Angle5º~45ºspeed5300RPMVoltageAC220V 50/60HZMotor180WGrinding wheelCBN(or SDC)ChuckФ5,Ф7,Ф8,Ф9,Ф10,Ф12,Ф13,Ф14Standyardinner hexagon wrench 1 setPacking size320x210x200mmNet weight/Gross weight10kg/11kg