hardware rigging square head pin steel d trawling shackle
Trawling shackle , one of the rigging. There are three types of European, American and Japanese. According to the form can be divided into the bow shape and the D type; According to the use place can be divided into Marine and land use two kinds. Its material, common carbon steel, alloy steel, stainless steel, high strength steel. Surface treatment is generally divided into plating, coating and dacron. The shackles are widely used in electric power, metallurgy, petroleum, machinery, railway, chemical industry, ports, mines, buildings and other industries.It has the square head pin.
●1. When using the shackle, do not overload it to prevent problems.
●2. In order to prevent the transverse force of the shackle, one of the set shall be put on the horizontal pin when connecting the rope or the sling, and the other one shall be on the bent ring, and shall not be set separately on the two straight sections of the shackle.
●3. After the lifting operation is finished, remove the shackle in time and insert the horizontal pin into the curved ring, full of thread, to ensure that the shackle is intact.
●4. The thread part of the shackle should be put on regular oil to ensure its lubrication is not rusted.
●5. The shackle should be kept in a dry place, and the board will be cushioned.
●6. Unthreaded unthreaded shackles shall not be used, such as must be used, must have reliable safeguard measures to prevent horizontal pin slip out.