6 Pcs Diamond Grinding Bit, 200-230 Grit 4.2mm Bullet-Head, Red/Silver

Material:
This grinding bit is made of stainless steel, which has excellent heat and corrosion resistance. The head is covered with a sharp diamond particle coating that will not fall off or deform due to repeated use
Specification:
Material: Stainless Steel;
Grits: 200-230 Grits;
Head Diameter: 4.2mm / 0.17";
Head Length: 12mm / 0.47";
Shank Diameter: 2.35mm / 3/32";
Shank Length: 33mm / 1.3";
Total Length: 45mm / 1.8";
Max Rotating Speed: 30000PRM;
Package Content: 6 x Diamond Grinding Bit
Multi-Purpose:
The diamond drill bit set is very suitable for home decoration and handicrafts. The streamlined bullet-shaped design provides strong penetration and flexible movement, and can easily reach into narrow crevices and deep holes for operation. It is a good helper for polishing, grinding, drilling, cutting, engraving, and other operations, which can be engraved on various materials, such as tile, ceramic, marble, stone, agate, and even hard metal such as iron and silver
Flexible Mounting:
The round handle design of the rotary tool diamond grinding drill bit makes it suitable for most electronic grinders, engraving machines, hanging grinders, nail drills, and hand drills, which is perfect for gemstone carving, casting cleaning, rust removal, and polishing, and DIY enthusiasts. This multi-functional diamond drill bit kit is packaged in a sturdy plastic box for easy carrying and storage
Usage Tips:
Keep the workpiece and the grinding head stable during use to avoid excessive vibration and force; the operating speed is kept between the maximum RPM. 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