铜矿砂 、铁矿砂等高比重金属，石英砂 、玻璃珠 、陶瓷珠、河砂等是必备神器，性价比高，是替代钨钢 喷枪 的不二选择！ Single-inlet air spray gun is specially used for spraying high-weight metals such as steel shot, cut shot, copper ore , iron ore, etc. Quartz sand , glass beads , ceramic beads, river sand, etc. are necessary artifacts, with high cost performance, and are an alternative to tungsten steel spray guns. The only choice! The inner hole has five specifications of 8/10/12/14 / 16mm. 喷枪 （工厂 喷砂管 使用50mmx32mm为主），节能25％以上！喷砂更加高效 。 A thick-threaded aluminum sleeve on a fine-threaded thread becomes a 2 "coarse-tooth single-air spray gun. Regardless of the coarse teeth and fine teeth, the sand inlet is 32mm! Compared to a conventional 25mm spray gun (the factory's sandblasting tube uses 50mmx32mm) Mainly), energy saving of more than 25%! Sandblasting is more efficient .