Home / Rock Drill Parts / FT160C Air Leg Suitable For Montabert HC25 Rock Drill 86732575 Spline Shank Ring

FT160C Air Leg Suitable For Montabert HC25 Rock Drill 86732575 Spline Shank Ring

Precision-Engineered Spline Shank + Ring Assembly for Optimal Energy Transfer & Longevity

Part No. 86732575 is a hardened steel spline shank and guide ring assembly engineered exclusively for the Montabert HC25 rock drill and compatible with the FT160C air leg. Designed to maximize impact energy transfer, maintain precise alignment, and minimize vibration, this assembly ensures reliable performance in high-stress mining, tunneling, and construction applications.

Its robust construction resists wear, deformation, and fatigue—reducing downtime and extending service life of both the drill and connected components.

Key Advantages

  • Precision-machined hardened steel spline shank for secure drive engagement and torque transfer
  • Stabilizing guide ring ensures axial alignment and reduces operational vibration
  • Fully compatible with Montabert HC25 rock drill and FT160C air leg systems
  • Impact- and abrasion-resistant design validated for continuous heavy-duty use
  • Prevents premature wear on internal drill mechanisms through optimized energy transfer
  • Manufactured to OEM-equivalent tolerances for seamless integration and reliability

Applications

  • Primary energy transmission between HC25 rock drill and drill bit
  • Alignment stabilization in high-vibration rock drilling operations
  • Protection of drill housing, seals, and internal gear systems from misalignment stress
  • Underground mining face drilling with FT160C-supported HC25 setups
  • Tunnel boring and civil infrastructure projects requiring consistent penetration rates
  • Retrofit replacement for aging or worn 86732575 assemblies in legacy HC25 fleets

Technical Specifications

Part Number86732575
Compatible Drill ModelMontabert HC25
Compatible Air LegFT160C
MaterialHardened alloy steel (HRC 58–62)
Spline TypePrecision-ground parallel splines
Assembly TypeSpline Shank + Guide Ring (integrated set)

FAQ

Is this assembly a direct OEM replacement for Montabert HC25?
Yes — engineered to exact OEM specifications (part no. 86732575) for form, fit, function, and material performance.
Will it work with my existing FT160C air leg setup?
Yes — fully compatible and tested for mechanical and dimensional interoperability with FT160C air legs.
What is the typical lead time for bulk orders?
Standard lead time is 5–7 business days; expedited shipping available — contact us for urgent project timelines.
How does this assembly improve drill bit life?
By ensuring precise alignment and minimizing vibration, it reduces off-axis loading on bits — extending bit life by up to 22% in field tests.
Do you provide certification or test reports?
Yes — each batch includes material certs (EN 10204 3.1), hardness verification, and dimensional inspection reports.

Detailed Description

The Spline Shank + Ring Assembly (Part Number 86732575) is a robust and precisely engineered component set designed specifically for the Montabert HC25 rock drill. This assembly plays a crucial role in the efficient transfer of impact energy and rotational torque from the rock drill to the drill bit, ensuring optimal performance in demanding drilling environments. Below is a detailed description:

Description

The Spline Shank is crafted from high-strength, hardened steel, featuring precision-machined splines to provide a secure connection with the drill's drive system. The accompanying Ring enhances stability and alignment, ensuring smooth operation and reduced wear on associated components.

This assembly is designed to endure high-impact forces, rotational stress, and extreme working conditions typically encountered in mining, tunneling, and construction applications. The combination of the spline shank and the guide ring ensures effective energy transfer, minimizes vibration, and protects critical internal components from premature wear.

Key Features

  1. Durable Materials: Both the spline shank and the ring are made of hardened steel or a specialized alloy to resist wear, impact, and deformation under heavy-duty use.

  2. Precision Splines: Machined for a perfect fit with the rock drill’s internal drive, ensuring efficient torque transfer and smooth operation.

  3. Stabilizing Ring: Provides additional support and alignment for the spline shank, reducing vibration and protecting surrounding components.

  4. Impact and Wear Resistance: Designed to withstand repeated high-energy impacts and abrasive conditions, extending the lifespan of the assembly.

  5. Compatibility: Specifically engineered for the Montabert HC25 rock drill, ensuring seamless integration and optimal performance.

Applications

  • Energy Transfer: Facilitates the transmission of impact and rotational energy from the drill mechanism to the drill bit.
  • Shank Alignment: Maintains proper alignment of the shank within the drill housing, reducing wear and operational stress.
  • Component Protection: Prevents excessive vibration and misalignment, protecting the drill’s internal mechanisms.

Introduction

The 86732575 Spline Shank + Ring Assembly is essential for maintaining the performance and reliability of the Montabert HC25 rock drill. By ensuring efficient energy transfer and proper alignment, this assembly supports high drilling efficiency while minimizing wear on critical components.

The durable construction of the spline shank and ring is tailored to withstand the harsh conditions of rock drilling, offering exceptional reliability and reduced maintenance needs. This assembly is indispensable for operators seeking to optimize the lifespan and performance of their HC25 rock drill.

Conclusion

The Spline Shank + Ring Assembly (86732575) is a high-quality, durable solution for the Montabert HC25 rock drill, ensuring smooth and efficient drilling operations. With its precision engineering, wear resistance, and robust design, this assembly is a key component in maximizing the productivity and longevity of the HC25 in even the most challenging drilling environments.

Ensure Uninterrupted Drilling Performance

Order your 86732575 Spline Shank + Ring Assembly today — backed by 18-month warranty and technical support.

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