Self-Drilling Design: Hex washer head self-drilling screw for efficient roofing connection.
EPDM Seal Washer: Equipped with EPDM bounded washer for superior waterproofing.
Multiple Material Options: Available in carbon steel C1022A and SS410 for durability.
Customizable Finish: Offers zinc plated, ruspert, baking paint, and epoxy plating options.
Wide Size Range: Thickness from 4.2mm to 6.3mm and length from 12mm to 200mm.
Flexible Thread Types: Supports Type A, Type B, Type C, and double thread configurations.
Custom Packaging: Color print box and carton available based on customer design.
High Production Capacity: Annual capacity up to 20,000 tons with 200+ automatic machines.