h22 11 Degree Taper Drill Rod For Mining Tunneling Shank Hex 22*108mm
Discover the H22 11 Degree Taper Drill Rod, a high-performance Shank Hex 22X108mm Carburizing Hexagonal Drill Rod designed for rock stone quarry drilling. Made from 55SiMnMo steel, it offers mechanical stability, high dimensional accuracy, and extended drilling life. Ideal for mining and tunneling applications.