Size - Grits: 325-400 Grits; Diameter: 1.5mm / 0.06"; Head Length: 1.5mm / 0.06"; Shank Diameter: 2.35mm / 3/32"; Shank Length: 43mm / 1.69"; Total Length Exceeding the maximum speed may cause the drill bit to jump, reduce the grinding effect, and even cause the rod to bend in severe cases Size - Grits: 325-400 Grits; Diameter: 1., 8mm / 0., 07; Head Length: 1., 8mm / 0., 07; Shank Diameter: 2., 35mm / 3/32; Shank Length: 43mm / 1., 69; Total Length: 45mm / 1., 8; The multi-purpose tool diamond drill bit set is packaged in a sturdy plastic box for your convenience to carry and store It is a good helper for polishing, grinding, drilling, cutting, engraving and other operations, which can be engraved on various materials, such as tiles, ceramics, marble, stone, ceramics, agate, and even hard metals such as iron and silverWear appropriate protective equipment when using to protect your eyes ; keep the workpiece and the grinding head stable during use to avoid excessive vibration and force; the operating speed is kept between 30000~50000RPM. 1.8mm Ball Head Rotary Tool Bit PROXXON Diamond Grinding Bit 1.8mm Cylindrical For Rotary Tools Diamond Coated Drill Bits The grinding bit is suitable for grinding and polishing nails, which can meet all needs of removing dead skin, shaping or removing gel art nails, which is... Material - This grinding bit is made of stainless steel, which has excellent heat and corrosion resistance, and is covered with a sharply diamond particle coating that will not fall off or deform due to repeated use This grinding bit is made of stainless steel, which has excellent heat and corrosion resistance, and is covered with a sharply diamond particle coating that will not fall off or deform due to repeated useThe round handle design of the rotary tool diamond grinding drill bit makes it suitable for most electronic grinders, engraving machines, hanging grinders and hand drills, which is very suitable for gemstone carving, molding repair, casting cleaning, rust removal and polishing, and DIY enthusiastsThe multi-purpose tool diamond drill bit set is packaged in a sturdy plastic box for your convenience to carry and storeThe diamond drill bit set is very suitable for home decoration and handicrafts. HARFINGTON 5pcs Diamond Sharpening Stone Set 80/150/400/800 It is a good helper for polishing, grinding, drilling, cutting, engraving and other operations, which can be engraved on various materials, such as tiles, ceramics, marble, stone, ceramics, agate, and even hard metals such as iron and silver
