Valmax Screws for Concrete & Timber

Valmax WBT-61 Screw for Concrete/Timber Product Description: A 6.1mm diameter carbon steel screw for mechanically fastening flat roofing systems to concrete and timber substrates, in combination with Centrix plates and tubes. Available in lengths from 50mm to 300mm. Heavy duty: Larger shank and thread diameters for maximum strength. High performance: Optimal thread profile for excellent…