TechFast Light Duty Timber to Steel Roofing Screws 5.5 x 110mm Elementech Box 50

ManoMano

General description These TechFast Timber to Steel CSK/Wing Screws are specifically designed for joining timber to steel frames in construction projects. They feature breakaway wings that create a clearance hole to prevent thread engagement in timber during drilling. Upon contacting the metal surface, the wings ream a hole and break off, allowing the screw to engage with the steel. The screws are equipped with a TORX® compatible insert for higher torque transmission and improved countersinking with recessed ribs. Technical specifications Size: 5.5 x 110mm Clamping Thickness: 90mm Effective Thread Length: 89mm Pack Size: 50 Drill Tip: No.3 for self-drilling light gauge steel up to 5mm Compatibility and accessories Compatible with steel and timber materials Includes a TORX® compatible insert for higher torque transfer Installation Use a compatible TORX® screwdriver or drill to install Drill a clearance hole if necessary, then insert the screw The breakaway wings will ream and break off

Power Tools Direct

Forgefix TechFast Timber to Steel CSK/Wing Screws are used to join timber to steel frame buildings. The screws are 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. The thread will then engage with metal. They have a TORX® compatible insert for a higher transmission of power. With improved countersinking from recessed ribs. Fire and corrosion resistant. Complies with EU Safety Health and Environmental requirements.These Forgefix TechFast Timber to Steel CSK/Wing Screws have the following specification: Size: 5.5 x 110mmClamping Thickness: 90mmEffective Thread Length: 89mmPack Size: 50Drill Tip: No.3 No.3 drill tip for self-drilling heavy gauge steel up to 5mmPTDFORTFC55110L

Amazon

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 Torx compatible insert for a higher transmission of power, Weight: 1.59173753164 pounds, Manufacturer: Forgefix