Hex Head TEK Screws for Light Gauge Steel – Self-Drilling Fixings for Cold Rolled Sections
Our hex head TEK screws are engineered for fixing into light gauge (cold rolled) steel sections up to 5.7mm thick. With a 5.5mm diameter shaft, 5/16" hex head, and 19mm bonded sealing washer, these screws provide secure, weatherproof fixings for roofing, cladding, and structural components.
Technical Specifications
- Diameter: ⌀ 5.5mm
- Head Type: 5/16" hex head
- Washer: 19mm bonded sealing washer
- Substrate Compatibility: Cold rolled steel up to 5.7mm thick
- Drill Tip Length: Approx. 6mm
- Pack Size: 100 screws per pack
- Lengths: Various lengths available from stock
Key Features
- Self-drilling tip for fast installation into thin steel
- Hex head for high torque and secure grip
- Sealing washer prevents water ingress at fixing points
- Suitable for roofing sheets, flashings, and cladding
- Available in multiple lengths to suit different build-ups
Applications
- Fixing metal sheets to cold rolled steel frames
- Installing flashings and trims on steel structures
- Roofing and wall cladding systems
- Industrial and commercial steel buildings
Available from stock for immediate dispatch. For help selecting the correct screw length or for bulk pricing, get in touch with our team.
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