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 — Optimized Retention, Reduced Vibration, Extended Service Life

Shank Ring (Part No. 86338985) is a critical OEM-spec component engineered exclusively for the Montabert HC109 rock drill. Made from high-strength, wear-resistant alloy steel, it ensures secure shank adapter retention, minimizes operational vibration, and protects downstream components from impact fatigue and premature wear.

Ideal for demanding applications in underground mining, tunnel boring, and heavy civil construction, this shank ring maintains precise alignment and optimal power transmission — directly contributing to drilling accuracy, tool longevity, and reduced downtime.

Key Advantages

  • OEM-equivalent precision fit for Montabert HC109 — guarantees compatibility and performance
  • Forged high-strength alloy steel with hardened surface for extreme impact & abrasion resistance
  • Reduces shank adapter movement by up to 40%, enhancing drilling accuracy and bit life
  • Prevents stress transfer to hammer housing and rotation gearbox — extends total system service life
  • Designed for rapid field replacement with standard torque specs — no special tools required
  • Certified to ISO 9001 manufacturing standards; traceable batch documentation included

Applications

  • Primary shank adapter retention in Montabert HC109 hydraulic rock drills
  • Vibration damping in high-frequency percussive drilling (e.g., granite, basalt, quartzite)
  • Wear protection for drill steel interfaces in wet or abrasive underground conditions
  • Stabilization during directional drilling and inclined borehole operations
  • Retrofit upgrade for legacy HC109 units experiencing excessive shank play or adapter slippage
  • Critical spare in mine site inventory for unplanned maintenance and shift continuity

Technical Specifications

Part Number86338985
Compatible ModelMontabert HC109
MaterialAlloy steel (AISI 4340 equivalent), hardened to HRC 52–56
Outer DiameterΦ82.0 ±0.05 mm
Inner DiameterΦ62.0 ±0.05 mm
Thickness12.0 ±0.1 mm
Surface TreatmentBlack oxide + anti-corrosion oil coating
Weight0.48 kg

FAQ

Is this shank ring an exact OEM replacement for Montabert HC109?
Yes — manufactured to original Montabert dimensional tolerances, material specs, and heat treatment profiles. Fully interchangeable with genuine 86338985 units.
What’s the typical lead time for bulk orders?
Standard lead time is 3–5 business days for in-stock items; custom batches (≥50 pcs) ship in 12–18 days with full QC report.
How often should the shank ring be inspected or replaced?
Inspect every 200 operating hours; replace at first sign of groove wear >0.3 mm depth or visible micro-cracking — typically every 800–1,200 hrs in medium-hard rock.
Does it require special installation tools or torque settings?
No special tools needed. Install using standard torque wrench set to 145 ±5 N·m on M12x1.25 retaining bolts per Montabert HC109 service manual.

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 Drilling Reliability — Order Your HC109 Shank Ring Today

Stock available. Ships same-day for orders placed before 3 PM CET. Request bulk pricing or technical support.

Get a Quote