Wood Screw, Roofing Screw, Gutter Screw, Zinc Cap Screw, Stainless Steel Cap Screw. High Corrosion Resistant Coatings. Good Paint Adhesion & UV Resistant. MOLS Group has 30-year experience in screw manufacturing and also operates heat treating and painting factory. Therefore, MOLS Group is able to ensure you the best costs, quality and delivery. The screw design and painting colors can be customized to your needs. Please contact firstname.lastname@example.org.