China Wholesale Dacroment Roofing Screw Stainless Steel Hex Head Self Drilling Screw

China Wholesale Dacroment Roofing Screw Stainless Steel Hex Head Self Drilling Screw. Customizable Design: Supports customization from samples, drawings, and molds with professional engineering support. ISO9001 Certified: Manufacturing process certified under ISO9001, RoHS, and CTI standards. 100% Quality Inspection: Every product undergoes visual and functional inspection before delivery. OEM & ODM Service: Full OEM and ODM services available for various shape and size requirements. Flexible Payment Terms: Accepts T/T, LC, D/P, PayPal, Western Union, and small-amount payments. Fast Lead Time: Average lead time is one month for both peak and off-peak seasons. Free Samples Available: Universal size samples available for quality checking (freight paid by buyer). Diverse Material Options: Available in Carbon Steel and Stainless Steel with Zinc Plated or Customized finish.