The choice of magnetic abrasive stainless steel:

(1) the thicker the needle, the stronger the grinding ability, so it is based on the hard and soft material. Stainless steel or iron can choose more than 0.5mm diameter needles, copper, aluminum and other soft materials can choose the following diameter 0.5mm is more appropriate. Of course, the magnetic force of the grinding machine can be stepless adjustment, so the test repeatedly, to select the appropriate grinding material.

(2) to grind the workpiece aperture size, determine the length and length of the needle, and other parts of the hole to be grinding, it is recommended to use 3mm long needle, the effect is better. 3 stainless steel needle grinding material for permanent material, can be used continuously.

Standard Specification for magnetic abrasive stainless steel needles: