1000g Stainless Steel 304 Magnetic Polishing Needles for Jewelry Tumbler Various Sizes 0.2/0.3/0.4/0.5/0.6*5mm for Polishing

1000g Stainless Steel 304 Magnetic Polishing Needles/Pins for Magnetic Tumbler Polishers Dia 0.2/0.3/0.4/0.5/0.6mm Name: Magnetic Pins Dia: 0.2mm/0.3mm/0.4mm/0.5mm/0.6mm..。。. Package: 1000g/bag Material: Stainless Steel Application: Mix with the water works with the Rotary Tumbler, Magnetic Tumbler for Jewelry Metal Polishing. 1. This abrasive is used in the equipment of magnetic grinding machine, polishing the surface brightness of metal fittings, special abrasives such as dead hole inner hole burrs. Material is stainless steel 304 Selection instructions: The thicker the steel needle, the stronger the polishing force. Of course, the polishing force can be controlled by adjusting the working frequency of the polishing machine table. When selecting a stainless steel needle for the first time, you must first understand the material of the machined part. For harder parts such as stainless steel and iron, it is recommended to select a stainless steel needle with a diameter of Φ0.5 or higher. For copper and aluminum parts with soft materials, it is recommended to select Φ0. Stainless steel needles of .5 or less. The hole diameter of the part to be machined and other nips determine the thickness of the steel needle abrasive. It is generally recommended to use a 5mm long steel needle for polishing. Precautions: Magnetic steel needles are semi-permanent consumables that can be used continuously for many times. The magnetic steel needle is a small needle-like object and should be handled with care. When the magnetic steel needle is not used, please clean it and dry it before saving.