US type square head self color trawling shackle ,european trawling shackle ,quick release shackle Shackle with Square Head Screw Pin
US type square head shackle is mainly export to United States for fishing ,shiping ,marine for trawling usage. The body inside height is smaller than European type but bigger than Japan shackle. There is another district for the US type anchor shackle is from the pin. Pin diameter is bigger than body diameter for US shackle.besides ,the trawling shackle pin is square head screw pin .this quick release shackle is mainly fixed to the fishing net to make it trawling in the sea .square head screw pin shackle can have a pin material in C1045 but body material in mild steel .The european trawling shackle have sizes range from 6mm to 32mm .Surface finish can be self color ,electric galvanized and hot dip galvanized with screw pin collar pin
Other similar rigging hardware are available!!
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