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10Pcs Diamond Grinding Bits 8mm Cylinder Head, Diamond Burr Bits Mounted Point Rotary Tool Bits with 3mm (1/8') Shank, 45mm Long

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$7.99

$ 3 .99 $3.99

In Stock

1.Size:3mm, 30pcs


About this item

  • High Wear Resistance and Long-Lasting Sharpness: This bit set is made from high-quality diamond materials, ensuring exceptional wear resistance and sharpness for prolonged use, suitable for sculpting, precision grinding, and internal grinding across various applications.
  • Multi-Functional Applications: This diamond bur is suitable for a wide range of materials, including ceramics, glass, precious stones, and alloys. Whether you're a DIY enthusiast or a professional, you will benefit from its use in polishing stones, ceramics, bricks, and dog nails.
  • Wide Compatibility: Featuring a 3mm (1/8 inch) universal shank, it can be compatible with most rotary tools, greatly enhancing the functionality of your tools.
  • Reliable Choice for Detail Work: Each bit has a head diameter of 0.31 inches (8mm), allowing for fine detail work such as carving and polishing metal, jade, and ceramics, making it perfect for home repairs and model making.
  • Easy Maintenance and Care: Using a dressing stone, you can easily clean and restore the bur's surface, keeping it in optimal condition, ensuring efficient performance with each use, and providing a long service life for peace of mind.


1. It is used for the grinding of common flat glass, frosted glass, sandblasted glass, embossed glass, filament glass, insulating glass, laminated glass and glass brick. The granularity is between 80 and 120, Smooth glass surface
2. It is used for the cutting and grinding of granite, basalt, limestone, dolomite, sandstone and marble. The grain size is between 36-60, which is sharp enough, the polishing speed is fast, the working time is long, and the edge does not collapse. After polished stone surface smooth
3. For the glaze, underglaze, blue and white, pink ancient, wall tiles, floor tiles, sanitary ware, ceramic handles, silicate-containing products, silicon and other materials polished, particle size between 60 to 80 Sharp, short working hours, no chipping. After polishing the surface of ceramic products smooth
4. Other metal products can also be polished, such as aluminum, stainless steel and so on. If grinding fast steel and tungsten steel, need custom plating CBN sand, CBN more sharp
Material : Metal, Diamond
Head Diameter : 8mm / 0.3";
Shank Diameter : 3mm / 0.12"
Head Length : 12mm / 0.5";
Total Length : 45mm / 1.8"
Weight : 58g
Package Content:10 x Diamond Mounted Point


Diana Thagon
Reviewed in the United States on July 16, 2024
They weren't very expensive. I make inlaid rings. Some of the gems/stones are hard. I use these on those stones. They don't last very long.
K.B.
Reviewed in the United States on September 11, 2023
They work well but the diamond coating wears off pretty fast. Good thing they come in a multi pack.