
Hex Washer Head Screws with EPDM Washer Zinc Plated Self-Drilling Roofing Screws. ISO Certified Quality: Products meet ISO certification standards for reliable performance and safety. Customizable Options: Offers customized head, finish, and washer options to meet specific project needs. Diverse Surface Finishes: Available in Zinc Plated, Ruspert, Paint Coated, and other protective treatments. High Strength Grade: Made from Carbon Steel with Grade 12.9 for superior durability and load bearing. Multiple Size Options: Sizes include M4.2, M4.8, M5.5, and M6.3 to fit various roofing applications. EPDM Washer Included: Features EPDM washers for enhanced waterproofing and sealing capabilities. OEM/ODM Support: Supports OEM and ODM services for custom designs and branding requirements. Flexible Delivery: Delivery times range from 15 days for stock to 30-60 days for bulk orders.