Timco Hex Head Self-Drilling Screws 5.5x50mm with EPDM Washer (100pk)
Timco bi-metal self-drilling screws with EPDM washer for roofing and steel construction. 5.5x50mm, hex head, A2-304 stainless steel (100pc).
Timco Hex Head Self-Drilling Screws provide a reliable fastening solution for joining roofing sheets to light section steel without the need for pre-drilling. The bi-metal construction combines a hardened carbon steel drill tip fused to an A2-304 Austenitic Stainless Steel body, offering superior durability and corrosion resistance, making them ideal for exterior applications.
These screws feature an integral EPDM washer to create a weatherproof seal, protecting against water ingress. The self-drilling No.3 point type ensures quick and easy installation into materials up to 5.0mm thick, while the 8mm hex head provides excellent torque transfer for secure fastening.
Key Features:
- Material: A2-304 Stainless Steel / Carbon Steel (bi-metal)
- Drilling Thickness: Up to 5.0mm
- Weatherproof Seal: Integrated EPDM washer
- Quick Installation: Self-drilling No.3 point eliminates pre-drilling
- Secure Fit: Hex head design for optimal torque transfer
Suited for roofing, cladding, and light structural steelwork, these screws ensure a strong and long-lasting connection in demanding exterior conditions.
- Roofing sheet installation
- Light section steel construction
- Cladding applications
- Exterior metal structures
- Thread Diameter: 5.5mm
- Length: 50mm
- Head Type: Hex
- Fixed Washer Diameter: 11.00mm
- Point Type: Self-Drilling No.3
- Socket Size: 8mm
- Material: Bi-Metal (A2-304 Stainless Steel / Carbon Steel)
- Effective Thread Length: 34mm
- Max Drilling Thickness: 5.0mm
- Corrosion Resistance: A2-304 Stainless Steel body
- Washer Material: EPDM (weatherproof seal)
- Pack Quantity: 100 pieces
- Weight: 980g
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