7pcs Tungsten Carbide Masonry Drill Bit Set(6,6,6,8,10,12mm)

7pcs Tungsten Carbide Masonry Drill Bit Set(6,6,6,8,10,12mm) Description

High Quality Material: Carbide alloy head with stronger hardness. Carbide tipped drill bits are designed for longevity and will stay sharper much longer than conventional steel drill bits.

U-Type Slot Design: U-Type Slot Design with quick drilling to remove the dust,triangular handle,more stable operation.

Wide range of uses: The sturdy tungsten carbide tip can easily penetrate different materials (ceramic porcelain,glass,mirrors,plastic masonry and wood). If you use the drill bits to drill concrete,brick walls and other hard materials (glass,porcelain,tile,marble or granite),please use water for lubrication.

7 sizes: 6mm,6mm,6mm,6mm,8mm,10mm,12mm. 3-flat shank,these glass drill bits fit various drilling tasks perfectly,high drilling precision. Rotary thread design,smoother drilling and chip removal.

First-class performance: Sharp point design,this heavy-duty tungsten carbide tipped drill bit is sharp,easy to locate,stable drilling,speed fast,does not break the edge,clean and smooth opening. The 3-sided stem guarantees you a firm hold,without slipping or scratching,will not damage the varnish of the tiles.