Black Phosphate Corrosion Resistant Finish. Drywall Plasterboard Screws Wood Screw Bugle Head Coarse Thread Black Phosphate. All pictures shown are for illustration purpose only and may not be an exact representation of the products. This item is in the category "Business, Office & Industrial\Fasteners & Hardware\Other Fasteners & Hardware".The seller is "rewoshop" and is located in this country: GB. This item can be shipped to United Kingdom.