Evolution 5.5 x 65mm Phillips Countersunk Timber Tek Screws ZWDP65-5 – Timber TEK5 Wing Drill Screw Phil Csk 4.0mm to 12.5mm in Bright Zinc Plated (BZP) Steel

Used for attaching metal to heavy section steel (Max. 12mm) without the need to pre-drill a hole
Standard 8mm (5/16″) AF hexagon drive
Carbon steel zinc plated with super hard and sharp drill tip
Thread length does not include screw head

A heavier duty self drilling screw or tek screw for attaching timber or composites to steel sections of thickness 4.0mm to 12.5mm – tek 5.

Product Datasheet