5pcs 7mm Hex Shank Twist Glass Bits Titanium Ceramic Drilling Drill Set 4 6 8 10 12mm Tile Concrete Cross Tip Hole Bit Tile Item NO.: 4000369111477

5pcs 7mm Hex Shank Twist Glass Bits Titanium Ceramic Drilling Drill Set 4 6 8 10 12mm Tile Concrete Cross Tip Hole Bit Tile

Features: 100% High quality and Brand new. Drilling diameter: 4.3mm,6.2mm, 8.6mm, 10mm, 12mm Material: Ceramic Stainless Steel Carbide-tipped drills with a degree of hardness. Over HRC-90. Suited for. drilling into glass, mirrors, concrete Notes: IT MUST BE ADDED COOLANT (water) WHEN IT IS BEING USED. We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding. Instruction is not included.Professional Installation Is Highly Recommended!