Home / Rock Drill Accessories / Suitable for Montabert HC109 rock drill shank ring, part number 86338985

Suitable for Montabert HC109 rock drill shank ring, part number 86338985

Precision-Engineered Shank Ring for Montabert HC109 Rock Drills

Part number 86338985 is a critical retention component designed exclusively for the Montabert HC109 rock drill. Engineered to secure the shank adapter with zero play, it minimizes operational vibration, prevents premature wear on impact and rotation systems, and ensures optimal power transmission under extreme drilling loads.

Manufactured from high-strength, heat-treated alloy steel, this shank ring delivers exceptional durability in demanding mining, tunneling, and heavy civil construction applications — where reliability and precise alignment directly impact productivity and total cost of ownership.

Key Advantages

  • Exact OEM-spec fit for Montabert HC109 — no modification required
  • Heat-treated alloy steel construction for superior wear & impact resistance
  • Reduces shank adapter movement by up to 40%, enhancing drilling accuracy
  • Extends service life of shank adapters and hammer assemblies
  • Maintains consistent torque transfer and axial alignment during high-frequency impacts
  • Complies with ISO 9001-certified manufacturing and dimensional inspection standards

Applications

  • Primary shank adapter retention in Montabert HC109 rock drills
  • Vibration damping for improved operator safety and tool longevity
  • Wear protection for drill steel, chuck, and hammer housing interfaces
  • Stabilization in hard-rock and abrasive strata drilling conditions
  • Critical replacement part for scheduled maintenance in underground mining fleets
  • OEM-compliant upgrade for legacy HC109 units operating beyond original service life

Technical Specifications

Part Number86338985
Compatible ModelMontabert HC109 Rock Drill
MaterialHigh-strength alloy steel (AISI 4340 equivalent), hardened & tempered
Hardness (HRC)48–52
Outer Diameter72.0 ± 0.05 mm
Inner Diameter52.0 ± 0.05 mm
Thickness12.0 ± 0.03 mm
Surface FinishGround & deburred; Rz ≤ 3.2 µm

FAQ

Is this shank ring compatible with other Montabert models?
No — part 86338985 is dimensionally and functionally validated only for the HC109. It is not interchangeable with HC100, HC110, or Vario series drills.
What’s the recommended replacement interval?
Inspect every 200–300 operating hours; replace when inner diameter wear exceeds 0.15 mm or visible pitting/grooving occurs on contact surfaces.
Do you offer bulk pricing or OEM distribution terms?
Yes — volume discounts start at 10+ units; certified distributors qualify for consignment stock and technical support agreements.
Is this a genuine Montabert part or an aftermarket equivalent?
This is a certified OEM-equivalent component manufactured to Montabert’s published engineering drawings and material specs — fully traceable with mill test reports.

Detailed Description

Shank Ring (86338985) – Suitable for Montabert HC109 Rock Drill
The Shank Ring (Part Number 86338985) is a precision-engineered component designed specifically for the Montabert HC109 rock drill. It plays a critical role in securing and stabilizing the shank adapter, ensuring efficient power transmission and reducing wear on drilling components.

Description
The shank ring functions as a support and retention element for the shank adapter, preventing excessive movement and minimizing vibration during drilling operations. Manufactured from high-strength, wear-resistant alloy steel, it is built to withstand the extreme forces and impacts experienced in heavy-duty drilling applications.

This component is essential for maintaining drilling accuracy, reducing stress on other components, and prolonging the overall lifespan of the Montabert HC109 rock drill.

Key Features
High-Durability Alloy Steel – Provides excellent wear and impact resistance.
Precision Fit – Ensures secure retention of the shank adapter for stable drilling performance.
Minimized Vibration – Reduces movement and enhances drilling accuracy.
Extended Service Life – Protects surrounding components from excessive wear and stress.
Optimized Drilling Performance – Maintains a firm connection between the shank and drill system.
Applications
Shank Adapter Retention – Secures the shank adapter, ensuring stable drilling operation.
Vibration Reduction – Minimizes excessive movement, improving tool longevity.
Wear Protection – Prevents premature wear on the drill's impact and rotation system.
Introduction
The Shank Ring (86338985) is a critical component in the Montabert HC109 rock drill, ensuring efficient power transfer, precise alignment, and enhanced durability in demanding rock drilling environments. Its high-strength construction and precision engineering make it an essential part for mining, tunneling, and construction drilling applications.

Regular inspection and timely replacement of the shank ring help maintain optimal performance and prevent excessive wear on the shank adapter and related components.

Conclusion
The Shank Ring (86338985), designed for the Montabert HC109 rock drill, is a high-performance, wear-resistant component that ensures secure retention, reduced vibration, and long-term drilling efficiency. Its robust design and precision fit make it a key element in maximizing the reliability and effectiveness of rock drilling operations.

Ensure Uninterrupted Drilling Performance

Order your HC109 Shank Ring (86338985) today — ships same day from EU & US warehouses. Technical support included.

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