7pcs 3 to 12mm Black Triangle Twist Drill Bit Set Concrete Glass Ceramics Tile Marble Drill Bit

Description: 7pcs 3-12mm Triangle Twist Drill Bit Multifunctional Drill Bit Set for Concrete Brick Wood Glass Ceramic Tile Plastic Specification: Material: tungsten carbide tip Sizes: 6mm(1/4"") 8mm(5/16"") 10mm(3/8"") 12mm(1/2"") Shank: 3-flats shank Color: Black & Silver Used for: tile, concrete, brick, glass, plastic and wood,etc. Quantity: 7pcs/set Size: Diameter(mm) Work length(mm) Total length(mm) Shank Dia.(mm) Weight(mm) 3 40 80 2.5 3 4 42 80 3.5 5 5 42 80 4 8 6 55 100 4.5 12 8 66 110 6 27 10 70 110 7 38 12 75 120 9 58 Features: 1. Different sizes(3-12mm) meet your different need. 2. Made of YG6X, special triangle shape bit more sharp, making drilling faster and smooth. 3. Will not damage the material when drilling with this triangle drill bit. 4. Easy to install, fit for impact drill, electric drill. 5. Perfect for drilling on marble, glass, ceramic tile, concrete, plastic, wood. Package Included: 1 x Triangle drill bit set More Details: