Product Name: cylindrical nut Material: 45 steel Surface treatment: blackening Strong and durable, excellent material, smooth texture, smooth without thorns The threads are neat, the product threads meet the requirements of national standards, pass the formal inspection, and the threads are neat without missing teeth High degree of anastomosis, positive tooth shape of tap, consistent with the contact area of screw rod. The models are complete. The product specifications and dimensions are consistent with the size design of various brands, push and exchange each other, match the dimensions, and worry free to use.
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