SATISFACTION GUARANTEE: If there is any problem when you receive or use our products, please feel free to contact us and we are always sincere to solve your problem the first time. Concrete and masonry drill bits - Kuwait Carbide Tip Masonry Drill Bit Demolition Hammer ECOOPTS 1-1/4" SDS Plus Concrete Drill Bit - Heavy Duty Carbide Tip For Hammer Drills (13-3/4" Length) Masonry Drill Bit Set Long Life Drill Bit For Brick High quality]SDS plus Rotary Hammer Drill Bit is made of tungsten carbide tips, the main body of the drill is made of alloy steel, the surface is sandblasted to prevent rust, which ensures longer service life and long-lasting performance even when drilling on hard concrete surfaces DESIGN: With carbide tip, our drill bit ensures fast cut speeds and longer life. METOTY SDS Plus Drill Bit 20 mm x 260 mm, Masonry Drill, Hammer Drill, Concrete Drill, for Stone, Concrete, Natural Stone, Brick Wall APPLICATION: Idea for drilling holes in concrete, cement, masonry, brick, etc.