Madam, My requirement is screw driven ground piles 15000 nos. and drivers 20 nos.Details are as under. Finish Hot dipped galvanized Overall length (mm) 1500 Outside diameter (mm) 76 Thread length (mm) 1000 max. and pointed driving end Pile thickness (mm) 3.2 Top plate diameter 136 Top plate thickness 5 Attached details for reference.