Phillips Phillips drywall screws are coated with black phosphate. Drywall screws are used to attach plasterboard to a prefabricated structure. Currently, this is the most widespread way of finishing the construction of interior walls and ceilings. The variant with a coarse thread and countersunk head is primarily used to attach plasterboard to a pre-prepared wooden structure.
We check our products in detail both in terms of quality and material composition and thread quality. We will advise you on how to check the processing.
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