
Custom Length Carbon Steel Zinc Black Gray Phosphate Bugle Head Drywall Screws. Multiple Surface Finishes: Available in Phosphated, Zinc Plated, Paint Coated, and Nickel Plated options. Wide Size Range: Diameters from 3.5mm to 6.3mm with Fine or Coarse thread options. Custom Color Options: Colors include White, Grey, Black, and Yellow to meet specific needs. OEM and ODM Services: Full customization available including designs and samples. High Grade Material: Made from Carbon Steel with Grade 12.9 and heat treatment capability. Flexible Delivery: Delivery within 15 days for stock items, 30-60 days for bulk orders. Free Sample Availability: Samples provided free of charge, excluding courier fees. Multiple Standards Compliance: Meets DIN, GB, ANSI, BSW, and JIS standards.