The square head trawling shackle is mainly exported to the United States for fishing, shiping, and Marine trawl.
The body is smaller than Europe, but bigger than Japan.
Anchor shackles in the United States are pins in another area.The diameter of the foot is larger than the diameter of the body.In addition, it is the square head screw pin.The quick release of the shackle is mainly fixed on the net, which makes it trawl at sea.
The square head bolt shackle can have a needle in C1045, but it can have body material in soft steel.
The size of European trawl shackles ranges from 6mm to 32mm.Surface finish can be self-color, galvanizing, hot dip galvanizing and screw pin lead.