HEXAGON
HEX WITH EPDM WASHER SELF DRILLING SCREW
📌 Overview
The Stainless Steel Hex Head Self-Drilling Screw with EPDM Washer is a high-performance fastener designed for metal-to-metal fastening in roofing, cladding, and structural applications. The integrated EPDM washer provides a secure seal that prevents water leakage, ensures vibration resistance, and enhances durability in outdoor and industrial environments.
With a self-drilling tip, these screws can drill, tap, and fasten in a single operation, eliminating the need for pre-drilling and reducing installation time. Manufactured from SS304 (A2) and SS316 (A4) stainless steel, they offer exceptional corrosion resistance, making them perfect for construction, automotive, and marine industries.
✅ Key Highlights
📏 Standard: DIN 7504 / ISO Equivalent
🔘 Head Type: Hex Head (External Drive)
🛠 Tip Type: Self-Drilling (Drill Point)
🧩 Sealing Feature: EPDM Washer for leak-proof fastening
⚙ Material Grades: Stainless Steel SS304 (A2) / SS316 (A4)
💪 Strength Class: A2-70 / A4-70
🌊 Corrosion Resistance: Excellent – long-term protection in outdoor & marine conditions
📦 Size Range: Ø 4.2 mm – Ø 6.3 mm (Length: 13 mm – 100 mm)
📊 Technical Specifications
| Specification | Details |
|---|---|
| Standard | DIN 7504 / ISO Equivalent |
| Material | Stainless Steel SS304 / SS316 |
| Head Style | Hex Head |
| Drive Style | External Hex Drive (Spanner/Wrench) |
| Washer Type | EPDM Bonded Sealing Washer |
| Tip Type | Self-Drilling (Drill Point) |
| Diameter Range | 4.2 mm – 6.3 mm |
| Length Range | 13 mm – 100 mm |
| Strength Class | A2-70 / A4-70 |
| Surface Finish | Natural / Passivated |
| Corrosion Resistance | High – Resistant to rust, chemicals & outdoor weather |
📍 Applications
✔ Roofing & Cladding Installations
✔ Steel Structure Construction
✔ Metal-to-Metal Fastening (Sheets & Purlins)
✔ HVAC, Ventilation & Ducting Systems
✔ Automotive & Transportation Equipment
✔ Marine & Offshore Applications
🏆 Why Choose Our Hex Head Self-Drilling Screws with EPDM Washer?
✨ All-in-One Solution – Drills, taps & fastens without pre-drilling
✨ Leak-Proof Design – EPDM washer provides excellent sealing against water & dust
✨ Superior Strength – Withstands high torque and structural stresses
✨ High Corrosion Resistance – Suitable for outdoor & marine environments
✨ Reliable & Durable – Vibration-resistant fastening for long service life
✨ Available in Bulk & Custom Sizes – For industrial and project-based requirements
HEX WITH FLANGE SELF DRILLING SCREW DIN-7504 (TYPE K)
📌 Overview
The Stainless Steel Hex Head with Flange Self-Drilling Screw DIN 7504 is a robust fastening solution designed for metal-to-metal applications where a wide bearing surface and extra load distribution are required. The integrated flange head eliminates the need for a separate washer, improving efficiency and reducing installation costs.
Equipped with a self-drilling tip, these screws allow drilling, tapping, and fastening in one operation, eliminating pre-drilling. Manufactured from SS304 (A2) and SS316 (A4) stainless steel, they deliver high strength, durability, and superior corrosion resistance, making them suitable for construction, automotive, and marine environments.
✅ Key Highlights
📏 Standard: DIN 7504 / ISO Equivalent
🔘 Head Type: Hex Head with Integrated Flange
🛠 Tip Type: Self-Drilling (Drill Point)
⚙ Material Grades: Stainless Steel SS304 (A2) / SS316 (A4)
💪 Strength Class: A2-70 / A4-70
🌊 Corrosion Resistance: Excellent – resistant to rust & harsh outdoor conditions
📦 Size Range: Ø 4.2 mm – Ø 6.3 mm (Length: 13 mm – 100 mm)
📊 Technical Specifications
| Specification | Details |
|---|---|
| Standard | DIN 7504 / ISO Equivalent |
| Material | Stainless Steel SS304 / SS316 |
| Head Style | Hex Head with Flange |
| Drive Style | External Hex Drive (Spanner/Wrench) |
| Tip Type | Self-Drilling (Drill Point) |
| Diameter Range | 4.2 mm – 6.3 mm |
| Length Range | 13 mm – 100 mm |
| Strength Class | A2-70 / A4-70 |
| Surface Finish | Natural / Passivated |
| Corrosion Resistance | High – Outdoor & Marine Grade |
📍 Applications
✔ Roofing & Cladding Installations
✔ Structural Steel Fabrication
✔ Metal-to-Metal Fastening (Sheets, Purlins & Frames)
✔ Automotive & Heavy Engineering
✔ HVAC & Electrical Enclosures
✔ Marine & Offshore Projects
🏆 Why Choose Our Hex Flange Self-Drilling Screws?
✨ Flange Head Design – Provides built-in washer effect for better load distribution
✨ Time-Saving – Self-drilling tip eliminates pre-drilling
✨ Vibration Resistant – Strong grip prevents loosening under stress
✨ Premium Stainless Steel – Excellent resistance to rust, chemicals, and moisture
✨ Cost-Effective – Eliminates need for separate washers
✨ Available in Multiple Sizes – For diverse industrial applications
