Roller Cone Bits with Air Flush for Mining
Air-Flush Roller Cone Technology for Blast Hole Drilling
Purpose-built for blast hole drilling in mining operations, these roller cone bits feature integrated air flush systems for efficient cuttings removal without water. Designed for open-pit and underground mining, they deliver reliable penetration rates in the hard rock formations typical of mineral extraction sites across the Middle East and beyond.
Request a Quote View SpecificationsKey Features
Air Flush System
Integrated air circulation channels efficiently evacuate cuttings from the hole bottom using compressed air, eliminating the need for water-based drilling fluid.
Hard Rock Performance
Heavy-duty cutting structures with premium tungsten carbide inserts maintain penetration rates in the hard igneous and metamorphic rocks common in mining operations.
Dust Control Compatible
Designed to work with drill rig dust collection systems, supporting compliance with workplace safety and environmental protection standards.
Mining Durability
Reinforced body and bearing assemblies handle the high-impact loads and abrasive conditions encountered in production blast hole drilling.
Technical Specifications
| Parameter | Value |
|---|---|
| Series | Roller Cone Air Flush |
| Application | Blast Hole Drilling |
| Diameter Range | 152.4 mm (6") to 311.1 mm (12 1/4") |
| Flush Type | Air / Air-Water Mist |
| Formation Hardness | Medium to Very Hard |
| Bearing Type | Bearing type per model — see IADC code |
| Cutting Structure | Tungsten Carbide Inserts (TCI) |
| Connection Type | API Regular / Mining thread |
| Operating Method | Rotary / Down-the-hole |
| Max WOB | Up to 30 kN per inch of bit diameter |
| Recommended RPM | 40 - 120 RPM |
| Air Pressure | Up to 2.5 MPa |
In Stock in Dubai
Air-flush roller cone bits AIRJ, AIRP, AIRX currently held at our Dubai warehouse and ready to ship. Prices on request — press Request price to add the item to the form below.
Air-flush roller cone bits for blast-hole drilling in mines and quarries: cuttings are removed by compressed air instead of drilling mud. The AIRJ, AIRP and AIRX series are not listed in the published VBM catalogues, so we show their IADC codes as “—”; the three digits in the model name follow the IADC pattern (cutting structure and formation, then bearing type), and we confirm the exact design of any model with its datasheet.
AIRJ air-flush roller cone bits — 67 pcs in stock
9 sizes, 6 3/4" (171.4 mm) to 16" (406.4 mm). All of the AIRJ models in stock end in 2 — in IADC terms an open (non-sealed) roller bearing cooled by the air flow (indicative reading of the model number, to be confirmed with the datasheet).
| Model | Size | IADC | Nozzles | Availability | |
|---|---|---|---|---|---|
| AIRJ532 | 6 3/4" (171.4 mm) | — | 3×13 mm | In stock: 3 pcs | Request price |
| AIRJ542 | 6 3/4" (171.4 mm) | — | 3×11 mm | In stock: 1 pc | Request price |
| AIRJ542 | 6 3/4" (171.4 mm) | — | 3×13 mm | In stock: 2 pcs | Request price |
| AIRJ122 | 7 7/8" (200 mm) | — | 3×14 mm | In stock: 1 pc | Request price |
| AIRJ432 | 7 7/8" (200 mm) | — | 3×14 mm | In stock: 1 pc | Request price |
| AIRJ432 | 7 7/8" (200 mm) | — | 3×15 mm | In stock: 1 pc | Request price |
| AIRJ722 | 7 7/8" (200 mm) | — | 3×15 mm | In stock: 1 pc | Request price |
| AIRJ142 | 8 1/2" (215.9 mm) | — | 3×11 mm | In stock: 1 pc | Request price |
| AIRJ242 | 8 1/2" (215.9 mm) | — | 3×11 mm | In stock: 1 pc | Request price |
| AIRJ342 | 8 1/2" (215.9 mm) | — | 3×11 mm | In stock: 1 pc | Request price |
| AIRJ422 | 8 1/2" (215.9 mm) | — | 3×15 mm | In stock: 1 pc | Request price |
| AIRJ622 | 8 1/2" (215.9 mm) | — | 3×13 mm | In stock: 1 pc | Request price |
| AIRJ642 | 8 1/2" (215.9 mm) | — | 3×14 mm | In stock: 1 pc | Request price |
| AIRJ732 | 8 1/2" (215.9 mm) | — | 3×14 mm | In stock: 4 pcs | Request price |
| AIRJ412 | 9" (228.6 mm) | — | 3×14 mm | In stock: 5 pcs | Request price |
| AIRJ522 | 9" (228.6 mm) | — | 3×16 mm | In stock: 1 pc | Request price |
| AIRJ422 | 9 7/8" (250.8 mm) | — | 3×14 mm | In stock: 2 pcs | Request price |
| AIRJ522 | 9 7/8" (250.8 mm) | — | 3×11 mm | In stock: 21 pcs | Request price |
| AIRJ622 | 9 7/8" (250.8 mm) | — | 3×13 mm | In stock: 1 pc | Request price |
| AIRJ622 | 9 7/8" (250.8 mm) | — | 3×14 mm | In stock: 1 pc | Request price |
| AIRJ622 | 9 7/8" (250.8 mm) | — | 3×16 mm | In stock: 1 pc | Request price |
| AIRJ632 | 9 7/8" (250.8 mm) | — | 3×13 mm | In stock: 1 pc | Request price |
| AIRJ722 | 9 7/8" (250.8 mm) | — | 3×16 mm | In stock: 1 pc | Request price |
| AIRJ712D | 10 5/8" (269.9 mm) | — | 3×22 mm | In stock: 1 pc | Request price |
| AIRJ622 | 11" (279.4 mm) | — | 3×16 mm | In stock: 7 pcs | Request price |
| AIRJ732 | 11" (279.4 mm) | — | 3×19 mm | In stock: 1 pc | Request price |
| AIRJ522K | 12 1/4" (311.1 mm) | — | 3×19 mm | In stock: 1 pc | Request price |
| AIRJ632K | 12 1/4" (311.1 mm) | — | 3×19 mm | In stock: 1 pc | Request price |
| AIRJ742K | 12 1/4" (311.1 mm) | — | 3×19 mm | In stock: 1 pc | Request price |
| AIRJ632 | 16" (406.4 mm) | — | 3×25 mm + 22 mm | In stock: 1 pc | Request price |
AIRP air-flush roller cone bits — 51 pcs in stock
9 sizes, 6 3/4" (171.4 mm) to 12 1/4" (311.1 mm). 16 of 19 of the AIRP models in stock end in 5 — in IADC terms a sealed roller bearing with gauge protection (indicative reading of the model number, to be confirmed with the datasheet).
| Model | Size | IADC | Nozzles | Availability | |
|---|---|---|---|---|---|
| AIRP615 | 6 3/4" (171.4 mm) | — | 3×11 mm | In stock: 1 pc | Request price |
| AIRP615 | 7 7/8" (200 mm) | — | 3×14 mm | In stock: 1 pc | Request price |
| AIRP615 | 7 7/8" (200 mm) | — | 3×16 mm | In stock: 1 pc | Request price |
| AIRP345 | 8 1/2" (215.9 mm) | — | 3×17 mm | In stock: 2 pcs | Request price |
| AIRP625 | 8 1/2" (215.9 mm) | — | 3×15 mm | In stock: 1 pc | Request price |
| AIRP635 | 8 1/2" (215.9 mm) | — | 3×15 mm | In stock: 1 pc | Request price |
| AIRP415 | 9" (228.6 mm) | — | 3×16 mm | In stock: 4 pcs | Request price |
| AIRP415 | 9" (228.6 mm) | — | 3×22 mm | In stock: 12 pcs | Request price |
| AIRP435 | 9" (228.6 mm) | — | 3×16 mm | In stock: 1 pc | Request price |
| AIRP435 | 9" (228.6 mm) | — | 3×22 mm | In stock: 17 pcs | Request price |
| AIRP615 | 9" (228.6 mm) | — | 3×16 mm | In stock: 1 pc | Request price |
| AIRP725 | 9 5/8" (244.5 mm) | — | 3×15 mm | In stock: 1 pc | Request price |
| AIRP637K | 9 7/8" (250.8 mm) | — | 3×19 mm | In stock: 1 pc | Request price |
| AIRP725 | 10 5/32" (258 mm) | — | 3×17 mm | In stock: 2 pcs | Request price |
| AIRP725 | 10 5/8" (269.9 mm) | — | 3×17 mm | In stock: 1 pc | Request price |
| AIRP727 | 10 5/8" (269.9 mm) | — | — | In stock: 1 pc | Request price |
| AIRP727 | 10 5/8" (269.9 mm) | — | 3×19 mm | In stock: 1 pc | Request price |
| AIRP635 | 12 1/4" (311.1 mm) | — | 3×25 mm | In stock: 1 pc | Request price |
| AIRP715 | 12 1/4" (311.1 mm) | — | 3×22 mm | In stock: 1 pc | Request price |
AIRX air-flush roller cone bits — 93 pcs in stock
3 sizes, 7 7/8" (200 mm) to 12 1/4" (311.1 mm). All of the AIRX models in stock end in 7 — in IADC terms a sealed journal (friction) bearing with gauge protection (indicative reading of the model number, to be confirmed with the datasheet).
| Model | Size | IADC | Nozzles | Availability | |
|---|---|---|---|---|---|
| AIRX417 | 7 7/8" (200 mm) | — | 3×15 mm | In stock: 2 pcs | Request price |
| AIRX417 | 7 7/8" (200 mm) | — | 3×19 mm | In stock: 4 pcs | Request price |
| AIRX417 | 7 7/8" (200 mm) | — | 3×22 mm | In stock: 84 pcs | Request price |
| AIRX637 | 9 7/8" (250.8 mm) | — | 3×19 mm | In stock: 1 pc | Request price |
| AIRX727K | 9 7/8" (250.8 mm) | — | 3×19 mm | In stock: 1 pc | Request price |
| AIRX637 | 12 1/4" (311.1 mm) | — | 3×22 mm | In stock: 1 pc | Request price |
Application Areas
Open-Pit Mining
Primary tool for production blast hole drilling in open-pit mining operations for minerals, aggregates, and construction materials.
Underground Mining
Compact designs suitable for underground blast hole drilling in tunneling, stoping, and development operations.
Quarry Operations
Efficient drilling in limestone, granite, and other dimension stone quarries where dry drilling methods are preferred.
Construction Blasting
Reliable performance for blast hole drilling in civil construction projects including road cuts, foundations, and tunnel portals.
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Request a Quote for Roller Cone Air Flush
Contact our technical team for pricing, availability, and custom configurations. We provide fast delivery across the UAE and the entire Middle East region.
Mining Roller Cone Bits with Air Flush: Built for Blast Hole Excellence
Blast hole drilling is the backbone of mining production, and the efficiency of this operation directly impacts the overall productivity and cost-effectiveness of the mining process. VBM roller cone bits with air flush systems are specifically designed for this demanding application, combining robust construction with advanced cutting technology to deliver consistent performance in the hard rock formations encountered in mining operations throughout the Middle East and globally.
The air flush system is a critical feature for mining blast hole applications where water-based drilling fluids are impractical or undesirable. Compressed air is channeled through the bit body and directed at the cutting face, efficiently lifting rock cuttings from the hole bottom and transporting them to the surface through the annular space. This approach is particularly effective in dry climates and desert mining environments common across the Arabian Peninsula, where water availability may be limited.
The cutting structure of these mining-specific bits features premium-grade tungsten carbide inserts designed for the hard, abrasive rocks typical of mineral deposits. Insert geometry is optimized for the specific rock types encountered in mining, including granites, basalts, quartzites, and other igneous and metamorphic formations. The bearing design depends on the model (open air-cooled or sealed — see the third digit of the IADC code) and is selected for the high levels of dust and debris inherent in air-flush drilling operations.
VBM Middle East serves the mining sector across the region with a dedicated range of roller cone bits for blast hole applications. Our technical team understands the specific requirements of mining operations and can recommend the optimal bit configuration for your rock type, drill rig specifications, and production requirements. Contact us for competitive pricing and rapid delivery to your mining site.