Cross Hex Drill Bit Set For Tile Porcelain Glass Mirror Multifunction Tile Porcelain Drill Bit Kit Tool Carbide Drills Hole Open Product Name: Tile Porcelain Drill Bit Length: 75mm Material: tungsten carbide Shank type: Hexagonal Ideal for drilling glass, ceramic, wood, metal, plastic, tile and concrete Available size: 6mm x 75mm-hexagonal Package including: 10 x Ceramic Drill (6mm) Features: [High Quality Alloy Material] Made of high quality alloy, the oxy-nitriding process of the bit improves the hardness of the drill. Long service life and easier to keep sharp than normal steel drill bits. [Precise Drilling] The drill bit has a neat, smooth opening, no broken edge and no chattering. Low resistance to cutting, stable drilling, and higher opening speed. [Durable] Full grinding and anti-rust treatment, clean and sharp, no burr. The drill bit is more wear-resistant and durable. The shank of the drill bit is hexagonal, which makes the drill clamping more firmly and the drill does not slip. [Widely Used] Professional glass and tile drill bits provide smooth and accurate drilling on tiles, marble, thin iron plates, mirrors and glass. Remember to add water or coolant when drilling. [After-sales] If you have any questions, please get in touch with us, our service team will provide you with a professional and satisfactory service. Product Name: Masonry Drill Bit Set Material: carbide Color: black Size: 3mm (1pc), 4mm (1pc), 5mm(1pc), 6mm (4pcs), 8mm (2pcs), 10mm (1pc) Length: 3/4/5mm drill bit: 76mm/2.99 in 6mm drill bit: 78mm/3.07 in 8mm drill bit: 80mm/3.15 in 10mm drill bit: 83mm/3.27 in Shank: 6mm hex shank Quantity: 10pcs Product material: chrome vanadium alloy steel Product color: blue Product size: 6.35 mm in diameter Function: cross, non-slip, wear-resistant, magnetic