Self drilling tek screw used for joining composite roofing panels to timber.
Sharp T17 gash point, coarse thread.
Sharp drill point will pierce metal sheet 0.5-1.2mm thick and drive into timber, no pre-drilling required.
Bonded neoprene washer to provide watertight seal.
Zinc plated finish.
Technical Specification
Thread diameter: 6.3mm
Length from under the head: 80mm
Thread at top (hi-thread): 16mm
Thread length: 42mm
Neoprene bonded washer diameter: 19mm
Head type: Hexagon flange
Head depth: 5mm
Head diameter: 8mm (5/16”)
Tek screw adapter size: 8mm (5/16”)
Commodity Code 7318149990