4-Inch Package
Compact HDD hammer package matched to your drill, air and ground conditions.
Horizontal directional drilling
A matched HDD hammer package built around your drill, target diameter and ground conditions—so the components arrive ready to work together.
Built for your bore


Three package sizes
Compact HDD hammer package matched to your drill, air and ground conditions.
Production-focused package featuring the HDH500 class and matching components.
Higher-capacity HDD hammer package configured for the required bore and formation.
Start with the application
Send the drill make and model, desired hole diameter, formation, air capacity and connection details. We’ll help build the right package.
Machine model, compressor output and available operating pressure.
Target diameter, bore length and the formations you expect to encounter.
Drill-string details, adaptors and supporting components needed for a complete setup.
Package the complete setup
Southern Drill Supply helps match the hammer, bit and connection components before they reach the jobsite.
Build an HDD hammer package