1、Extended Length: Measuring 450mm in length, this carbide tip masonry drill bit is designed to extend usage time and improve convenience. Its longer reach makes it suitable for deep drilling applications, allowing users to effortlessly tackle a variety of projects without compromising on performance. 2、Efficient Drilling Performance: Optimized for effectiveness, our rotary hammer drill bit excels in drilling through tough masonry materials including concrete, cement, bricks, stones, cinder blocks, and rocks. Users can expect rapid, accurate, and efficient drilling, which significantly enhances productivity during construction or renovation tasks. 3、Wide Compatibility: This concrete drill bit is compatible with all rotary hammer drills, making it an excellent accessory for tools from top brands. This versatility ensures that users can integrate it seamlessly into their existing tool collection, maximizing its utility across different applications. 4、Rugged Construction: Crafted from excellent YG8 alloy and 40 CrV steel materials and utilizing high temperature welding techniques, this concrete drill bit boasts excellent durability and a longer service life. Its robust construction ensures that it withstands rigorous usage without compromising on performance, providing users with a good tool they can depend on. 5、Carbide Tip: Featuring a carbide tip, the long rotary hammer drill bit offers accurate positioning and rapid penetration into tough materials. Its rugged 2 slot design facilitates effective material removal, making the drilling process quicker and more efficient, while reducing wear on the bit itself for prolonged use. Item Type: Masonry Drill Bit Material: YG8 Alloy, 40 CrV Steel Total Length: Approx. 450mm / 17.72in Working Length: Approx. 350mm / 13.78in Shank: Round Shank with 2 Pit 2 Slot 1 x Masonry Drill Bit 1 x Storage Box