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2" IF (Pin) x 2-1/8" Tri-Con™ (Box) HDD Adapter
"Built for Strength. Engineered for Compatibility. Trusted in the Field. The 2 " IF (Pin) to 2-1/8" Tri-Con™ (Box) HDD Adapter is designed to provide a seamless, high-strength connection between your HDD tooling and drill string, ensuring maximum torque transfer, reduced wear, and extended tool life.
- Manufactured using high-quality, heat-treated American-sourced steel for superior durability.
- Optimized Torque Transfer – Reduces stress on connections, preventing thread galling and premature wear.
- Precision-Fit Engineering – Designed for zero-play connections, reducing wear on drill rods and tooling.
- Connection Details – 2" IF (Pin) to 2-1/8" Tri-Con™ (Box) for a secure fit with your Tri-Con Tooling.
| Compatible Adapters: 21M-76F |
| Connection Type: Reamer Connection |
| Adapter Gender (Side 1): Box |
| Adapter Thread (Side 1): 2-1/8" Tri-Con |
| Adapter Gender (Side 2): Pin |
| Adapter Thread (Side 2): 2" IF |
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Tri-Con Brochure (2.37 MB) - Catalog Pages | Tri-Con System (2025) (431.86 KB)
FREQUENTLY ASKED QUESTIONS
Short Answer: Replace as soon as you see any signs of wear or mushrooming. This can be as frequent as each shot, depending on jobsite conditions.
Correct use: Before and after each bore, inspect the coiled pins, and mating components for wear or deformation. Keep all contact surfaces clean, apply light grease where applicable, and replace pins that show wear to maintain smooth rotation and fast tool changes.
Technical details: Coiled pins are designed to protect the Tri-Con connection by absorbing wear during operation. They are purposefully a wear-item to protect the integrity of the Tri-Con Connection.
Incorrect use includes: Reusing damaged or worn pins or allowing debris to build up in the connection. Incorrect use can introduce greater risk of poor fit, difficult tool changes, or reduced connection performance.
Short Answer: Tri-Con coiled pins should be replaced after each bore.
Correct use: Coiled pins are intended to be disposable wear items that are changed between bores. Replacing them regularly helps ensure proper fit, full load capacity, and fast, secure tool changes.
Technical details: The pins absorb wear during drilling and pullback to protect the Tri-Con connection faces. Regular replacement helps maintain consistent connection performance and reduces the chance of damage to higher-value components.
Incorrect use includes: Reusing pins across multiple bores or continuing to run pins that show visible wear. Incorrect use can introduce greater risk of loose connections, difficult tool changes, or reduced load capacity.