(5mm)1PCS Blue 3mm to12mm Multifunctional High Quality Drill Bit Twist Spade Drill

Specification： Material : YG6X Carbide Tip Length:3mm 4mm 5mm 6mm 8mm 10mm 12mm Wide range of uses: The masonry drill bit set easily penetrates a variety of materials such as tiles glass hard plastics cement concrete brick walls wood and reduces cracking. Packing Included: 1* Drill Bit Product Feature : 1.The surface of the drill bit is made of hard alloy and rust-proof material so it has a longer service life，Plus higher hardness and more wear-resistant than ordinary drills. 2.The shape of the product is designed to efficiently remove chips speed up the drilling and efficiently complete the task.and 3-flats shank allows drill bit easy plug and to be held tightly. 3.The multi-material drill bit can be used for glass ceramic tile cement wall plastic iron wood etc. When drilling hard materials (glass tile marble or granite) please lubricate with water. How to Install Multi Material Drill Bit: Step One -- Unscrew the drill chuck and put the triangular handle into the drill bit. Step Two -- Tighten the triangle drill with a tightener and install the multi material drill bit. Step Three -- when drilling holes in high hardness materials.Use WATER for lubrication. Step Four -- Try to keep the drill vertical when drilling. Note: 1.Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before your purchase. 2.The colors may have different as the difference display pls understand.