
High precision tungsten alloy pin gauge is mainly used to measure the size of the hole, the distance of the hole, the depth of the hole, which can be used as a check gauge. It is the necessary tool for hole standardization inspection. It is widely used in electronic board, circuit board, mold, precision machinery manufacturing and other fields of high precision technology. Chinatungsten Online has been engaged in the research of tungsten and molybdenum materials for more than 20…