Magnetic Stainless Steel Polishing Needle for Tumbler Polisher

Stable magnetic conductivity for rapid alternating field tumbling. Reaches complex inner cavities, micro holes, threaded grooves, irregular contours. Removes micro burrs, smooths sharp edges, eliminates oxidation, uniform bright finish without dimensional damage. Precision hardware, medical implants, jewelry, electronic terminals, automotive small parts. 304/316/430 grades available. Corrosion resistant, long service life. Bulk supply for unmanned production lines.