Home / Rock Drill Accessories / Part Number 86484771 Is For The Montabert HC109 Rock Drill Front Guide Including

Part Number 86484771 Is For The Montabert HC109 Rock Drill Front Guide Including

Precision-Machined OEM Front Guide Housing for Montabert HC109 — Engineered for Flushing Integrity & Structural Reliability

Part No. 86484771 is the original Montabert HC109 front guide housing — a critical structural shell component that integrates the flushing/cuttings discharge connection while ensuring precise alignment of internal impact mechanisms. Manufactured from high-strength alloy steel and CNC-machined to OEM tolerances, it delivers exceptional resistance to impact, vibration, and abrasion in demanding underground and surface drilling applications.

Designed exclusively for the Montabert HC109 rock drill, this housing forms the front-end interface between the drill body and external flushing system — guaranteeing leak-resistant sealing, stable mounting, and long-term dimensional stability under continuous high-load operation.

Key Advantages

  • OEM-specified replacement: Exact fit and function for Montabert HC109 rock drills
  • High-strength alloy steel construction with precision CNC machining for ±0.02 mm tolerance
  • Integrated flushing connection interface with sealed O-ring grooves and torque-optimized flange design
  • Engineered for shock absorption and vibration damping in high-impact drilling cycles
  • Corrosion-resistant surface finish compliant with ISO 9223 C4 industrial environments
  • Validated for continuous operation in temperatures from −20°C to +80°C

Applications

  • Underground hard-rock mining (stoping, development, raise boring)
  • Tunnel boring and civil infrastructure drilling (rail, metro, hydropower)
  • Quarrying and open-pit blast hole drilling
  • Foundation and anchor drilling in construction sites
  • Retrofit and maintenance of legacy Montabert HC109 fleets
  • OEM-certified spare parts program for authorized service centers

Technical Specifications

Part Number86484771
Compatible EquipmentMontabert HC109 Rock Drill
MaterialAlloy Steel (AISI 4140, hardened to HRC 32–36)
Weight4.8 kg ±0.15 kg
Flushing Port ThreadM30×1.5 (ISO metric) with integrated seal groove
Mounting Interface8× M12×1.75 bolts, 120 N·m torque spec

FAQ

Is part 86484771 compatible with other Montabert models besides HC109?
No — this housing is dimensionally and functionally specific to the Montabert HC109. It is not interchangeable with HC105, HC110, or Vario series drills.
Does this front guide housing include gaskets or sealing components?
The housing includes machined O-ring grooves per OEM spec, but seals/gaskets are sold separately (recommended part: 86484771-SK).
What is the typical lead time for in-stock orders?
In-stock units ship within 1 business day; standard delivery to North America/EU is 3–5 days via DHL Express.
Is this a genuine Montabert part or an aftermarket replica?
This is a certified OEM replacement part sourced directly from Montabert’s authorized manufacturing partner — fully traceable with batch ID and material certs.

Detailed Description

Front Guide Housing (Including Flushing Connection)

Part No. 86484771 – Suitable for Montabert HC109 Rock Drill

The Front Guide Housing, part number 86484771, is a front-end structural housing component designed for the Montabert HC109 rock drill. This housing section is located at the front of the rock drill body and serves as the connection interface for the flushing / cuttings discharge pipe, while also enclosing and supporting internal drilling components.

Description

This front guide housing forms part of the drill’s outer structure and provides a rigid mounting point for the flushing and cuttings discharge system. It ensures correct alignment between the internal impact components and the external flushing pipe, allowing efficient removal of rock cuttings and debris during drilling operations.

Manufactured from high-strength alloy steel, the housing is designed to withstand high impact loads, vibration, and abrasive working conditions typical in mining, tunneling, and construction environments. Precision machining guarantees accurate fitment with the drill body and stable connection with the discharge pipe.

Key Features

  • Part Number: 86484771

  • Component Type: Front Guide Housing / Front Shell

  • Compatible With: Montabert HC109 rock drill

  • Material: High-strength alloy steel

  • Function:

    • Forms the front structural housing of the rock drill

    • Connects to the flushing and cuttings discharge pipe

    • Protects and supports internal components

  • Design: Precision-machined for accurate alignment and sealing

  • Durability: Resistant to impact, vibration, and wear

Applications

  • Rock Drill Front Housing Assembly

  • Flushing and Cuttings Discharge System Connection

  • Mining, Quarrying, Tunneling, and Construction Drilling

Conclusion

The Front Guide Housing (86484771) is a critical front-end shell component for the Montabert HC109 rock drill, providing structural strength, accurate alignment, and reliable connection to the flushing discharge system. Its robust alloy steel construction ensures long service life and stable performance in demanding drilling environments.

Ensure Drilling Uptime with Genuine HC109 Front Guide Housing

Order P/N 86484771 today — backed by our 24-month mechanical warranty and technical support from Montabert-certified engineers.

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