The Jiaxing Goshen Hardware Co., Ltd. factory is recognized as one of the largest factories manufacturing nut and bolt supply in China. The spring washer series has many styles to meet the diversified needs of customers. This product is noted for durability. Its outer wall contains fiber components and has excellent toughness and aging resistance. It can be installed by hand or with a socket driver. With years of producing grade 8 threaded rod, Goshen has its own technology to develop new products. Its grade can be 4.8, 8.8, AISI 2, AISI 5, etc.
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