17Pcs Brad Point Drill Bits Set 5/16" Wood Drill Bit With 1/4" Hex Shank

The drill bit is made of high carbon steel material, with high hardness, is not easy to deform, and has a long service life. The surface is blackened and treated, with strong corrosion resistance, and it is not easy to rust even in a humid environment. The centering design ensures accurate positioning of the holes, stable perforation, and improved working accuracy. The spiral groove design can effectively discharge wood chips and avoid blockage. The hexagonal handle design facilitates installation and removal using various power tools or manual wrenches, increasing the convenience and diversity of operation. The wood drill bit is suitable for drilling and positioning on various wood surfaces, including softwood, hardwood, density board, particle board, plastic, and other materials. It can meet the drilling needs of furniture manufacturing, building decoration, woodworking decoration, and other occasions. The brad point drill bits cannot be used on metal materials, walls, rocks, glass, or concrete. And for security reasons, take care of your safety when using the drill bits and please keep the drill bits away from children.