Self-tapping screw OC 5,5x75 zinc Koelner

The OC self-tapping screw with a hex head and drill point is designed for the secure fastening of profiled metal sheets in facade and roofing structures.

Features and Benefits:

• A 45–50 μm thick polyester protective coating provides additional protection against corrosion.
• UV stabilizers help maintain color saturation and stability over the long term.
• The reinforced thread surface increases fastening strength, while the screw shank retains the necessary flexibility.
• A zinc coating at least 12 μm thick protects the metal from corrosion.
• The special thread profile ensures effective self-tapping and a secure connection between materials.

Applications:

• Used for installing load-bearing and protective profiled sheets in:
• roofing structures;
• facade systems;
• metal cladding;
• sheet metal structures.

Base material:

• steel profiles;
• sheet metal;
• metal profiled structures.

Material: steel.

Coating: Zinc (plated) protects against corrosion if the fasteners are to be used in harsh environments.