Zhoushan first plastic machinery co, .ltd.
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Zhoushan first plastic machinery co, .ltd.
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The outer surface is cut with a spiral grooved cylinder or ascrew manufacture of zhoushancone with a tapered spiral groove. Screws have different heads, and others, such as large flat screws, hexagon socket screws, and the like.
Products:
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double alloy screw | The outer diameter of the metric thread is in millimeters, such as 6, 8, 10, 12, 18, 20 mm, etc.The pitch is also in millimeters. |
