Coarse thread drywall screws, material 1022A. Sizes:3.5/3.9/4.2, #6/#7/#8, length 13mm-150mm. Surface treatment: phosphate black, phosphate grey, electro galvanized. Coarse thread provides strong grip for gypsum board installation.
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Phone: +86 15028025572
Tel: +86 15028025572
Email: xiaozq098@gmail.com
Add: North Longquan Village, Yongnian District, Handan City, Hebei Province
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