IMPERTEK - Винт для покрытий

PH-TB SE LF-DRILLING SCREWS FO R COVERINGS Fixing on sheet metal and wood.‎ Drilling capacity 2x1,25 mm without pre-drilling.‎ On sheet metal insulation board thickness + minimum 20 mm.‎ Fixing on wood Insulation board thickness + wood thickness.‎ HD SCREW FO R COVERINGS Fixing on sheet metal: thickness without pre-drilling 2x1,25 thickness of the insulation board + minimum 20 mm.‎ Fixing on wood: insulation board thickness + wood thickness.‎ Fixing on concrete: insulation board thickness + minimum 25 mm 5 or 5,5 mm pre-hole.‎ Fixing on lightened concrete: insulation panel thickness + at least 55 mm.‎ Further info from manufacturer on SCREW FO R COVERINGS IMPERTEK