Hole Opener for HDD Applications
DRILLNOVA’s TCI Hole Openers are crafted for excellence in Horizontal Directional Drilling (HDD). Built to tackle tough terrains, these tools ensure you achieve optimal results with every project.
Product Specifications:
• Size Range: 8” – 42”
• Cutter Types: Welded Type & Replaceable Type
• Thread Connections: Customizable to fit your rig specifications
• Ground Conditions: Suitable for a variety of formations, including clay, gravel, shale, and rock
Bolt-on Hole Opener
Easy Maintenance
NovaForce™ R hole openers are designed for contractors who need maximum on-site exibility. With a bolt-on replaceable cone system, operators can easily swap out different cone types–chisel, conical, or spherical–directly on the jobsite to adapt to changing ground conditions.
Welded Hole Opener
Cost-Effective Choice
NovaForce™ W is built with a fully welded arm-body structure for maximum strength and simplicity. Designed for
cost-eective HDD reaming, it eliminates the need for bolt-on components—ideal for one-pass operations or
single-use projects in medium to hard formations.
ROLLER CUTTER

Welded Type
Size: 6", 8-1/2", 9-7/8", 12"
IADC: 517, 537, 617, 637

Bolts Type
•Fast onsite cutter replacement with 3-bolt system
•No welding required — easy maintenance in
•Size: MH-7R(7.875") MH-3R(8.5"), 12MH-3B(12.5")
Select Cone Design

Chisel
60-110MPa

Conical
100-180MPa

Spherical
150-280MPa
Manufacturing Process
– HDD Hole Opener Welding
The welding quality of an HDD hole opener directly affects tool life and operational stability.
Our hole openers are welded with controlled procedures to ensure consistent strength and reliable performance under high torque and abrasive drilling conditions.
Why Choose Drillnova
From engineering to final delivery, every drilling tool is built with a focus on reliability, consistency, and field performance.
Engineering Design
Designed and optimized for different drilling applications and ground conditions.
Precision Manufacturing
CNC machining, welding, hardfacing, and assembly completed under controlled production.
Quality Inspection
Every product is inspected before shipment to ensure consistent quality and reliable performance.
Global Supply
Supporting customers worldwide with efficient production, export documentation, and global delivery.
Technical Support
Responsive engineering and sales support from inquiry to after-sales service.
DRILLNOVA specializes in high-performance HDD drilling tools.
Reduce downtime, boost drilling efficiency.
Download our HDD catalog to find Hole Openers built for reliable performance.