5.5mm x 80mm Self Drilling Tek Screws for Heavy Sections c/w 16mm Bonded Washer Pack of 100
- Buy 10 for £11.21 Incl. VAT £9.34 Excl. VAT each save 6%
- Buy 30 for £10.50 Incl. VAT £8.75 Excl. VAT each save 12%
Self drilling tek screws for fixing metal sheets to hot rolled steel sections 6.0mm to 12.5mm thick.
Bonded neoprene washer to provide watertight seal.
No pre-drilling required.
Fine self drilling thread (24TPI) for heavy duty steel.
No. 5 hardened carbon steel self drilling point.
Zinc plated.
Technical Specification
Thread diameter: 5.5mm
Screw length from under head: 80mm
Thread length: 70mm
Neoprene bonded washer diameter: 16mm
Head type: Hexagon flange
Head depth: 5mm
Head diameter: 8mm (5/16”)
Tek screw adapter size: 8mm (5/16”)