The 4CUT - the screw tip may be without handle (holzabhängig) Materialspleißung vorzubohren without. For the bolts is a building Inspection Certification. These screws with Thread Diameter 2.5/3.0/3.5/4.0/4.5/5.0/6.0 mm consignable 0/1030/021/3.0/25 // 01 The patented wave sipes provides for a rapid and secure screw fit. The screws are VdS-Approved as wood Lanyards and Aufdachdämmung. Vds-certified, Weight: 1.763698096 pounds, Manufacturer: Spax