Global Pipeline System Solution Provider
Product Description
Product description: The surface of the bolts commonly used by the company are natural, galvanized, blackened, etc.; the material is ordinary carbon, 20#, 45# alloy, 304, etc.; a set of bolts includes a flat washer and a nut.
Product parameters: common specifications M12～M46; grades are 4.8, 8.8, 9.8.
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