915 Generation 4-10mm Threaded Wall Tile Concrete Drilling Bit Household

1.Made of fine quality material, low resistance, high hardness, improving work efficiency.
2.The design of triangular makes the clamping more and does not slip.
3.U-shaped spiral groove is and flat, and the drilling is smoother.
4.Strong toughness and wear resistance, can be installed in electric drills.
5.Provides and accurate drilling in tile, glass, brick wall, wood and so on. Specifications:
Tool Holder Type: Handle Cooling Type: Outer Cold
Category: Center Drill Bit
Colour:Orange+silver
Material:Hard alloy Package Contents:
5 * Concrete Drilling Bit Only the above package content, other are not included.
Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.