Square female shape is square, with internal thread, can be used with bolts.
Also known as the square nut.
The brass materials used are usually leaded brass: H59, 3604, 3602), stainless steel and alloy.

The welding standard is GB/T 13681-1992, GB/T 13680-1992.

This product adopts H59-1 copper bar, automatic turning is completed.

Copy paper independent packaging +PE bag + carton packaging shipping.
 
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