Bosch SDS Plus 5/16 in. x 18 in. Masonry Bit is designed to deliver long-lasting performance in demanding applications. Featuring a carbide-tipped construction, this bit ensures durability and extended life when working with tough materials. The centric tip design allows for quick and precise starts in concrete, making your drilling tasks more efficient. An innovative wear mark alerts users when the tip has worn beyond ANSI specifications, helping maintain optimal performance and safety. Additionally, the bit runs cooler during use thanks to an improved flute design, reducing heat buildup and enhancing overall efficiency. Model Number: