|
Specifically designed for fastening of steel roof and wall composite panels, these screws have a specially designed high thread section under the head which provides an exceptional clamping force to the outer skin of the system, maintaining the all-important weather seal. Suitable for a build-up of 16 - 44mm, which includes insulation, inner and outer skins and the profile depth if crown fixing.
Designed for fastening to steel purlins and rails with a thickness of 1.2mm - 3.0mm.
|