Spline Sleeve – Part Number 86778529

Suitable for Montabert HC28 Rock Drill

Product Description:
The Spline Sleeve (Part No. 86778529) is a high-precision, wear-resistant component specifically engineered for the Montabert HC28 hydraulic rock drill. Manufactured using premium alloy steel and advanced heat-treatment processes, this spline sleeve ensures excellent torsional strength, optimal transmission efficiency, and long service life in demanding drilling conditions.

Its accurately machined internal spline profile provides stable power transfer between the rotation system and shank adapter, helping maintain drilling accuracy and equipment reliability. Designed for harsh mining and tunneling environments, this sleeve delivers dependable performance and reduced downtime.

Key Features

• Precision-machined sleeve compatible with Montabert HC28 rock drill

• High-strength alloy steel construction

• Enhanced wear resistance via advanced heat treatment

• Stable torque transmission for smooth drilling performance

• Reduced vibration and improved system reliability

• Easy replacement and maintenance

Applications

• Mining and tunneling operations

• Production drilling and bolting

• Quarry and construction drilling

• General rock excavation work