1、Bit Specifications: The rotary drill bit is designed with a cross head and 4 flute, ensuring strong impact force, fast and easy penetration of concrete, steel bars, and other materials. 2、Tungsten Steel Alloy: The cross drill bit is made of excellent tungsten steel alloy material, which has high hardness, good heat resistance, wear resistance, and long service life. 3、Fine Workmanship: With careful design and testing, this tungsten steel alloy drill bit can ensure long term use without cracking or wear, and is suitable for high strength work. 4、Easy Installation: This cross head drill bit has a standard shank design, which can be installed on impact drills or electric hammers for use, ensuring high stability and reliability. 5、Wide Application: This 4 flute cross drill bit is suitable for home renovations, construction projects, etc., effectively solving various drilling needs and improving work efficiency.