Timber-to-Steel CSK/Wing Roofing Screw 5.5 x 60mm No.3 Tip Box of 100

General description Forgefix TechFast Timber to Steel CSK/Wing Screws are specifically designed for joining timber to steel frame structures. These screws feature innovative breakaway wings that create a clearance hole, protecting the thread from engaging with timber during drilling. Once the wings contact the metal surface, they break off, allowing the screw to securely engage with the steel. Equipped with a TORX® compatible insert, these screws ensure efficient power transmission and improved countersinking with recessed ribs. They are also fire and corrosion resistant, making them suitable for various construction applications. Technical specifications Size: 5.5 x 60mm Clamping Thickness: up to 40mm Effective Thread Length: approximately 39mm Pack Size: 100 screws Drill Tip: No.3 for self-drilling heavy gauge steel up to 5mm Drive Type: Torx TX Head Type: Countersunk Finish: Elementech corrosion-resistant coating Compatibility and accessories Compatible with light gauge steel up to

Techfast Timber To Steel. Used For Joining Timber To Steel Frame Buildings. No.3 Drill Tip For Self-Drilling Light Gauge Steel Up To 5Mm. Screw Fitted With Breakaway Wings That Create A Clearance Hole To Protect Thread From Engaging Timber When Drilling Through. Breakaway Wings Will Ream A Hole Then Break-Off When They Contact The Metal Surface To Be Drilled. Thread Will Then Engage With Metal. Torx Compatible Insert For A Higher Transmission Of Power. Improved Countersinking From Recessed Ribs. Fire And Corrosion Resistant Protected By Elementech Corrosion Resistant Coating Salt Spray Tested To 1000 Hours. Complies With Eu Safety Health And Environmental Requirements.PTDFORDIRTFCUWWSD5560L