DescriptionThis drill bits can be installed on ordinary electric hand drills, bench drills, percussion drills, etc. Can be used to drilling hole on smooth surface, like marble, porcelain, mirrors and glass and more. Stable and practical, good performance, safe and durable, it will bring you good experience.Features-Color: Blue. -Material: Brazed diamond. -Size: About 6.50X1.60X1.60cm/2.55X0.63X0.63inch. -Adopted of premium and durable material, they are wear-resistant and reliable, sturdy and practical. -Compact size and easy to carry, provide quick and accurate drilling to improve your efficiency. -Corrosion resistance, not easy to rust, delicate workmanship, easy to install on most of drillers. -Can be used to drilling on tiles, brick walls, concrete, glass, ceramics, wood and more. -No need to add water, sturdy and sharpen drill bit set, provide you efficient drilling.
