Hot Selling DIN7504K 304 Stainless Steel Hexagon Washer Head Self-Drilling Screws

Jiujin Electric Power’s DIN7504K Self-Drilling Screws combine drilling, tapping, and fastening in one operation, significantly reducing installation time and labor costs. Made from A2-70 (304) stainless steel, these screws offer superior corrosion resistance for both indoor and outdoor applications. The hexagon washer head provides secure driving with standard tools and prevents sinking in softer materials. The specially designed drill point ensures quick penetration in metal, wood, and plastic without pre-drilling. Perfect for construction, metal framing, electrical installations, and HVAC applications, these screws maintain their integrity in humid, chemical, and marine environments while providing reliable, long-lasting fastening solutions.

Varieties & Types Table:

Applications of Use:

• Metal Framing Construction: Fastening steel studs, tracks, and metal structures

• Electrical Enclosures: Securing electrical boxes and panel installations

• HVAC Systems: Installing ductwork, vents, and heating/cooling equipment

• Roofing and Cladding: Fastening metal roofing and wall panels

• Solar Panel Mounting: Securing mounting systems to metal structures

• Industrial Machinery: Assembling equipment and machine components

• Marine Applications: Corrosion-resistant fastening in marine environments