Concrete screw 12,5x80/5-Zn, WDBLS, WKRET-MET, 50pcs.

Galvanized WDBLS concrete screw with hexagonal head, designed for direct fastening of various structures into concrete without additional plugs or sleeves. Perfect for both permanent and temporary installations on construction sites: barriers, railings, shelving systems, brackets, or steel structures. Suitable for use in both standard and cracked concrete, ensuring quick and reliable installation.

Advantages:
• No expansion zone – allows edge installation without risking concrete cracking.
• No additional plugs required – screw goes directly into the drilled hole.
• Reusable – ideal for temporary constructions and site fixtures.
• Fire resistance R30–R120 – certified according to fire safety requirements.
• Fast and easy installation – no torque setting needed; visual contact check is enough.
• Zinc coating (Zn) – provides corrosion resistance for indoor environments.

Suitable base materials:
• Concrete
• Cracked concrete