Timco 5.5 x 38mm Hex Self-Drilling Screws with EPDM Washer (100pcs)
Weatherproof Timco self-drilling screws (5.5x38mm) with EPDM washer. Ideal for roofing & steel constructions.
The Timco Metal Construction Light Section Screws are high-quality, self-drilling fasteners designed for joining roofing sheets to light section steel (up to 5.0mm thick) without the need for pre-drilling. These screws feature a hex head for easy installation and a built-in EPDM washer to provide a secure, weatherproof seal.
Constructed from case & core hardened carbon steel, these screws are exceptionally durable and resistant to wear. The exterior plating (silver organic) offers superior corrosion resistance, withstanding 500 hours of salt-spray testing – making them ideal for outdoor applications where weatherproofing is essential.
Key Features
- Thread Diameter: 5.5mm
- Length: 38mm
- Head Type: Hex for torque efficiency
- Fixed Washer Diameter: 12.00mm (EPDM washer for sealing)
- Point Type: Self-Drilling No.3 for easy penetration
- Socket Size: 8mm for compatibility with standard tools
- Finish: Silver Organic for enhanced corrosion resistance
- Effective Thread Length: 23mm for strong hold
- Max Drilling Thickness: 5.0mm (steel applications)
Suitable for roofing, cladding, and steel frame construction, these screws ensure a long-lasting, vibration-resistant connection.
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- Roofing sheet installations
- Light steel section constructions
- Metal cladding
- Outdoor structural assemblies
- Material: Case & Core Hardened Carbon Steel
- Thread Diameter: 5.5mm
- Length: 38mm
- Head Type: Hex
- Fixed Washer Diameter: 12.00mm
- Washer Type: EPDM (Weatherproof)
- Point Type: Self-Drilling No.3
- Socket Size: 8mm
- Finish: Silver Organic (Corrosion Resistant)
- Effective Thread Length: 23mm
- Max Drilling Thickness: 5.0mm
- Corrosion Resistance: 500+ hours salt-spray
- Quantity: 100 pieces
- Weight: 760g
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