Drill Bits Punching Triangular Drill Bits with Storage Case for Ceramics Marble Wall Openings

Feature: 1. Made of high quality cemented carbide, all of which are made of high quality cemented carbide after heat treatment. 2. The drill bits have a variety of properties such as durability, rust resistance,and scientific design. 3. New scientific spiral chip removal space design to speed up chip removal and improve work. Efficiency saves time and effort. 4. Drill through tiles, glass, slag blocks, hard plastics, cement, concrete, mirrors, travertine, bricks, wood, etc. quickly and efficiently. 5. Stored and packaged in an exquisite rust proof plastic case, which is exquisite, and is convenient for storage and transportation. Specification: Item Type: Drill Bits Material: Cemented Carbide Weight: Approx. 235g / 8.3oz Model: M3,M4, M5, M6, M8,M10,M12 Scope of Application: Ceramics, Marble, Wall Openings, etc. . Package List: 7 x Drill Bits1 x Storage Case