Piece Tungsten Carbide Drill Bit Set for Masonry, Porcelain, Tile, Concrete, Brick Walls, Glass, Mirrors, Plastic, Masonry and Wood (6, 6, 6, 8, 10, 12mm)

High-quality material: Carbide alloy head with increased hardness. Carbide-tipped drill bits are designed for long-lasting durability and will stay sharp much longer than conventional steel drill bits.

U-groove design: U-groove design with quick drilling to remove dust, triangular handle, more stable operation.

Wide range of uses: The durable tungsten carbide tip can easily penetrate various materials (ceramics, porcelain, glass, mirrors, plastic masonry, and wood). When using the drill bits to drill concrete, brick walls, and other hard materials (glass, porcelain, tile, marble, or granite), use water for lubrication.

7 sizes: 6 mm, 6 mm, 6 mm, 6 mm, 8 mm, 10 mm, 12 mm. 3-sided shank, these glass drill bits are perfect for a variety of drilling tasks, high drilling precision. Rotary thread design for smoother drilling and chip removal.

First-class performance: Pointed tip design, this sturdy tungsten carbide tipped drill bit is sharp, easy to locate, stable drilling, high speed, does not break the edge, and opens cleanly and smoothly. The 3-sided shank ensures a firm grip, without slipping or scratching, and will not damage tile enamel.