Black Phosphate Bugle Head Gypsum Board Tornillos Drywall Screw for Wood and Metal. Versatile Thread Options: Available with both fine and coarse thread types for various applications. Multiple Surface Finishes: Options include Black/Grey Phosphate, Zinc Plated, and Nickel Plated. Customizable Point Types: Choose between Drill Point or Sharp Point based on material requirements. Flexible Packaging Solutions: Standard boxes of 500/1000 pieces or custom packaging for specific client needs. Wide Size Range: Sizes available from M3.5x13mm to M4.8x200mm and various inch equivalents. High Strength Material: Constructed from Carbon Steel 1022 Hardened or Stainless Steel. OEM Customization Service: Full customization and minor customization available upon request. Fast Delivery for Stock Items: Delivery within 5-10 days for goods currently in stock.