The square chuck adapter for the Rhino PD200 Pneumatic Post Driver is an insert-style adapter used to modify the 5-1/2″ master chuck to fit and drive square-profile posts or stakes. It allows the PD200 to deliver focused impact force while maintaining alignment and preventing deformation of square posts. Designed specifically for the Rhino PD200 Post Driver equipped with a 5-1/2″ diameter master chuck. Adapts round internal chucks to handle square posts, commonly in steel, wood, or composite materials.
- Design: Internal square cavity has a precision-cut square opening sized for standard square post dimensions and ensures a snug fit to prevent twisting or misalignment. Outer round profile is engineered to fit securely within the 5-1/2″ master chuck of the PD200 post driver. Thick-walled construction allows for high-impact resistance and extended service life and prevents deformation or mushrooming during heavy driving cycles.
- Applications: The PD200 Square Chuck Adapter is used in a wide range of heavy-duty applications where square posts are preferred for structural integrity or anchoring strength.
- Highway & Road Sign Installation: Driving square galvanized steel posts for regulatory or warning signage.
- Fencing Projects: Installing square steel or treated wooden posts in agricultural, security, or ranch fencing.
- Utilities & Infrastructure: Driving support posts for barrier systems, cable routing, or utility markers.
- Commercial Landscaping: Setting square posts for railings, garden barriers, or timber walls.
- Erosion & Safety Barriers: Securing square-profile supports for silt fences or safety nets.
- Materials: The square chuck adapter is constructed from materials engineered for durability, shock resistance, and outdoor performance. High-strength alloy steel for the main body is made from forged or machined steel, often heat-treated for added hardness and toughness. Zinc plating, black oxide, or powder coating to resist rust, corrosion, and wear in field environments.
- Configurations: 1-3/4″ – 2-1/2″ and 3″

