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SDS PLUS SDS MAX Hammer Drill Bit and Masonry drill bit for reinforced concrete Need price for custom bit based on CAD files Need quotes for 500, and 1000 units to start 1. Professional quality for efficient and fast hammer drilling in hard materials like concrete, granite, brick and other similar building materials. 2. Premium 40Cr steel with heat treatment improves core strength for maximum durability and extended life. 3. Hardened, premium carbide insert tip is strong and stays sharp longer for finer material break up and easier drilling. Increases strength and durability.