1. The fixed square bolt is also called short Square Bolt. It is irrigated with the root to fix the equipment without intense vibration and impact.
2. The movable square bolt is also called a rectangular bolt. It is a detachable square bolt, which is used to fix heavy machinery and equipment with intense vibration and impact.
3. Expansion anchor square bolts are often used to fix stationary simple equipment or auxiliary equipment. The device of expansion anchor square bolts should meet the following requirements: the distance between the center of the bolt and the edge of the root base is not less than 7 times the diameter of the expansion anchor square bolt; the strength of the device expansion anchor square bolt must not be less than 10MPa; The drill bit collided with the steel bars and buried pipes in the base; the diameter and depth of the drilled hole should match the square bolts of the expanded anchor.
4. Bonding square bolt is a kind of square bolt commonly used in recent years. However, pay attention to blow out the debris in the hole when bonding, and do not get wet.
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