915 Generation 60Pcs Diamond Drill Bit, 8mm Diamond Coated Tip Hole Hollow

[High quality] Made of high-quality high Diamond, with -plated coating, rust and corrosion resistance, high hardness, thicked diamond coating tip, good wear resistance and long service life
[Precise drilling] The thickened diamond-coated tip with cutting strength, enabling high-precision and cutting without broken edges, perfect for drilling clean and accurate holes
[Easy to use] Just drilling at a 45 degree angle, and align hole shape at a angle to complete drilling, center guide holes and side holes help to easily remove [Size] : 8mm; Drilling depth: max 30mm; length: about 50mm; Bit holder diameter: about 5.5mm; Number of revolutions: Max 800/min, come with 60pcs drill bits to meet number of drilling needs
[Applicable] It is recommended to reduce drill speeds, low drill pressure, and water is required to cool down drill when using , to extend drill bit life considerably. Suitable for drilling holes on glass, tile, porcelain tile, ceramic tile, brick, blocks jars, mable, granite light stone Colour:silver
Material:Diamond Package Contents:
60 * Diamond coated drill bit Only above package content, other are not included.
Note: Light and different displays may cause color of item in a little different from real . The measurement allowed error is +/- 1-3cm.