The Square Drive Cap designed and made in Denver Colorado to interface between the KAPD23 hydraulic post driver and square-profile posts or or Telespar. It ensures that the hydraulic impact force is accurately centered and evenly distributed, reducing deformation of the post and improving driving efficiency.
- Design: Square cavity design is precisely machined square recess or cavity that matches standard square post dimensions. This prevents twisting or slippage during operation.
- Application: The square drive cap is used in a variety of industrial, construction, and agricultural settings, especially when driving square-profile posts.
- Fence Installation: Driving square steel or wooden fence posts, often used in livestock fencing, ranches, and security perimeters.
- Signage and Barriers: Driving square signposts, especially those made of galvanized steel or aluminum.
- Agriculture & Vineyards: Installing support posts for trellising systems or vineyard stakes where square posts are preferred.
- Construction & Utilities: Driving square profile ground rods, traffic barrier supports, or formwork stakes.
- Landscaping: Anchoring retaining walls or decorative square posts in hard or rocky soil.
- Materials: Heat-treated steel is tough and impact-resistant. It is precision-machined and heat-treated to increase hardness without becoming brittle.
- Configuration:1-1/2″, 1-3/4″ and 2″
Find the matching size or fitment across our Atlas Copco and Chicago Pneumatic hydraulic post driver accessories and pair it with the matching post drivers. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.


