High-Quality SS316 Stainless Steel Construction: Premium marine-grade stainless steel ensures superior corrosion resistance, making these fasteners ideal for outdoor, marine, and high-moisture environments.

Precision Metric M4 Thread Size: Engineered for accuracy with a metric measurement system, ensuring seamless compatibility with industrial and DIY projects requiring standardized fittings.

Self-Drilling Hex Head Design: Features a 25mm hex head with self-drilling tip for effortless installation, eliminating the need for pre-drilling and saving time on large-scale projects.

Integrated EPDM Washer: Built-in EPDM rubber washer provides a watertight seal, preventing leaks and offering vibration resistance in roofing, HVAC, and automotive applications.

Bulk Wholesale Advantage: Direct factory pricing allows for massive cost savings on bulk orders, perfect for contractors, manufacturers, and global distributors.