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Zhejiang Jiayue Machinery Manufacturing Co.,Ltd
Add:No.7 Changxin Road, Yancang Subdisctrict, Dinghai, Zhoushan, Zhejiang, China
Mobile: +86-15958098091(Wechat, WhatsApp)

Contact Person: Jade Le


- Jul 03, 2018 -

Screw (pinyin: luógǎn, English: screw): a cylinder with a spiral groove on the outer surface or a cone with a spiral groove. The screw has a different head, like the head in the picture is a hexagonal screw. There are others, such as large flat screws, hexagon socket screws, and so on.

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