Efficient universal drilling tool, multifunctional triangular cross alloy drill tip tool

Small incision resistance，feature drilling stably, fast speed, not breaking the border. Opening neat, smooth, no broken edges, no tremor phenomenon, chip easily. Professional glass and tile drill bits provide smooth and accurate drilling in ceramic tiles, marble, thin iron plate, mirrors and glass. Remember to add Water or coolant when drilling. 【Easy to replace hexagonal handle】The 1/4 "hexagonal handle is easier and safer to install in all electric tools, compatible with universal hand drills such as Milwaukee. It is not easy to slide, safer to use, and tighter than round handle glass and tile drill heads suitable for all electric drills, hand drills, and table drills. 【Widely used】The brick and stone drill bit set can easily penetrate various materials, such as tiles, glass, hard plastics, cement concrete, brick walls, wood, and reduce cracks. Please try to keep the drill bit vertical and use cooling water to keep the drill bit cool. Do not use it on hard ceramic tiles. 【Accurate punching】The hard alloy tip made of high-quality metal alloy can accurately ground the spear tip, reducing the slipping and walking of the drill bit. The advanced tile cutting machine passes through the tiles like butter, very clean and fast.