Self drilling tek screws for fixing metal sheets to cold rolled steel sections.
Bonded neoprene washer to provide watertight seal.
No pre-drilling required.
Coarse self drilling thread.
No. 3 hardened carbon steel self drilling point.
Thread diameter: 5.5mm
Screw length from under head: 150mm
Neoprene bonded washer diameter: 16mm
Head type: Hexagon flange
Head depth: 5mm
Head diameter: 8mm (5/16”)
Tek screw adapter size: 8mm (5/16”)