Supply of quality certification B22 B19 anchor drill combination drill factory wholesale prices

Ji Ning Jialu Mining Equipment Co., Ltd. specializes mine supplies, electrical and mechanical equipment, hardware, electronics, chemical products, steel and mining machinery and accessories, mining drill, drill, drill, bolt, rails, sleepers, cars, steel, tension machine, bolt cutter, windlass back, tension meter, dynamometer, Alarm, picks, gas draft, crushers, wind shovel, tamping machine, circular drill, air drill, air pick brazing, Twist bars, spiral drill pipe, coal drill bits, diamond drill bits, reaming drill, anti-sudden drill, air drill, core pipe and other mining equipment, hardware. Welcome to inquire negotiate. The above pictures are for reference only, depending on the market price floating slightly, please consult Contact B19 / B22 drill new alloy, greatly improving the torsional strength, tensile strength and abrasion resistance. Model screwed Specifications Length m B19 1/2 "; - 12 M14 * 1.5 0.4-2.8 B19 M14 * 2 0.4-2.8 B19 square teeth 16 * 3 1,1.2,1.5 B22 square teeth 18 * 3 1,1.2,1.5