Henan Kings Rock Tools Co., Ltd. is based in China and lists drilling rods on Global Trade Plaza. The company offers integral drill rods made from alloy steel, available in shank sizes of 19x108mm and 22x108mm with lengths ranging from 400mm to 5600mm and bit diameters from 23mm to 42mm. These rods are designed for use with air-leg and handheld rock drill machines on rock types such as granite and marble. The company also supplies thread extension drill rods in the R32 series, with lengths from 915mm to 3880mm, a diameter of 32mm, weights between 6kg and 22kg, and a round thread shape. These are intended for bench and long hole drilling applications. Buyers can send an enquiry through Global Trade Plaza.