Company's quality inspector conducts a sampling quality check on iso7380 Hex Socket Round Head Screws.

    Xinhan Technology Co., Ltd. is a Chinese firm that specializes in the production of various machine screws. To assure product quality, company's quality inspection department will conduct daily sampling quality checks on all items manufactured.

    During the sampling quality inspection of  iso 7380 Hex Socket Round Head Screws, Xinhan Technology Co., Ltd. typically checks the diameter and height of the head, among other factors. The measurement of head height is connected to the measurement of head diameter, because head height is the distance between the root of the thread and the top of the head. When measuring head height, start at the top of the thread root. When measuring the diameter of the head, you must also measure the distance from the inner side of the hexagon to the inner side.