
H22 H25 Hex22 Hex25 Hexagon 108mm 159mm Shank 6 7 11 12 Taper Degree Tapered Hollow Conical Integral Rock Drill Rod. Comprehensive Product Line: Offers tapered rods, integral rods, extension rods, and DTH pipes for various drilling needs. Wide Taper Degree Options: Available in 4.46, 6, 7, 11, and 12 degrees for light and heavy-duty applications. Customizable Colors: Color options are available on request to meet specific customer requirements. High-Quality Material: Manufactured from alloy steel with high-frequency or fully carburized heat treatments. Diverse Shank Configurations: Includes Hex 19mm, 22mm, 25mm and various metric/inch sizes up to 159mm. Flexible Customization: Supports full customization, minor customization, and customization from samples or designs. One-Year Warranty: Covers all mechanical defects with repair or replacement services for one year. ISO 9001 Certified: Manufacturing process and quality control meet ISO 9001:2000 international standards.