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5.5mm x 38mm self-drilling tek cladding screws for heavy section steel 6.0-12.5mm complete with a 16mm bonded washer,
Fine self-drilling thread (24TPI) for heavy duty steel.
Self-drilling tek screws for fixing box profile metal sheets and cladding to hot rolled steel sections 6.0mm to 12.5mm thick.
No pre-drilling required, just drive in with a drill using an 8mm hexagon tek adapter.
The No. 5 hardened carbon steel long self-drilling point penetrates the metal sheet, and the fine screw thread taps into the thick steel.
The bonded EPDM neoprene washer provides a watertight seal.
Fully threaded for application versatility.
Anti-corrosion durable zinc plated finish.
Technical Specification
Thread diameter: 5.5mm
Screw length from under head: 38mm
Neoprene bonded washer diameter: 16mm
Thread type: Fine thread (24TPI)
Drilling point: Self-Drilling No.5
Material: Carbon steel
Finish: Zinc coated
For steel thickness: 6.0mm-12.5mm max
Head type: Hexagon flange
Head depth: 5mm
Head diameter: 8mm (5/16”)
Tek screw adapter size: 8mm (5/16”)
Pack quantity: 100
Pack type: Plastic bag
Recommended drill speed: 1500-2500 (RPM)
Commodity Code 7318149990