Shandong Peng Rui Drilling Technology Co., Ltd. Address: Zichuan District of Zibo City, Shandong Province, Longquan Town, 566 Our company is committed to improve product quality, innovative rock drill rod hollow steel, the better. My company's product quality, performance, technical service and after-sales service have made the majority of users praise. The company is strong in technology, production equipment, testing means complete, reliable product quality. The Company Bong reputation-based, depending on the quality of life of heavy steel hollow drill rod, heavy, dare to explore, and climb the peak of new technology, and warmly welcome new and old friends to the company to discuss cooperation. I will provide first-class quality products and quality service to you. Companies adhering to the "customer first, forge ahead" business philosophy, adhere to the "customer first" principle to provide our clients with quality services. Welcome customers to visit! B22 rock drill and drill out the screw connection within M16 * 2 or side teeth, length of 0.4 to 2.8 m. Anchor drill pipe length of 1 m / hollow steel, users need other specifications can be customized. Technical Specifications Model B22 B22 drill pipe thread connection specifications M14 * 2 M16 * 2 length 0.4-2.8 B22 air drill made of high quality hollow hexagonal, made of 55SiMnMoV, tail supporting various hydraulic bolt rig, the head can be connected within and outside buckle various bits. Anchor bolt drill pipe connections connected sets, B22 anchor drill pipe bending and strong, durable, easy disassembly, easy to operate, can also be designed according to user requirements for processing drill anchor connected sets. Rock Drilling hollow steel rods, hollow steel, hydraulic drill rod is provided by Zibo Peng Rui Metal Products Co. Zibo Peng Rui Metal Products Co., Ltd. (www.zbpengrui.com) strong, credible, Shandong Zibo in metal cutting and other industries has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Zibo Peng Rui Metal Products Co., and you hand into the brilliant, for a better future!