Perforated structural steel plate, through which the Helical Bar® moves.
DenominationASTM A36 / A36M.
PresentationNormal Design: Clamping plate with hemispherical dome.
Volcano Design: Clamping plate with volcano dome.
It is sold in nominal diameters, with respect to the 19mm, 22mm, 25mm and 32mm Helical Bar®.
UseIt acts as the basis for the positioning of the Fixing Nut, remaining in contact with the rock mass once the Helical Bar® anchor is installed.