Evolution 5.5 x 50mm Phillips Countersunk Timber Tek Screws TSTF5.5-50-3 – Timber TEK3 Wing Drill Screw Phil Csk 1.2mm to 3.5mm in Evoshield® Plating

Hex head self-drilling screws, for joining roofing sheets to light section steel (Max. 5.0mm) without the need to pre-drill a hole.

• Exterior plating gives a reliable and durable corrosion resistant coating which resists 500 hours salt-spray
• Fire Classification – A1

A self drilling screw or tek screw, tek 3, for attaching timber or composite materials to light steel section of thickness 1.2mm to 3.5mm.

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