Rough and Finish Boring

The Modular Solution for Tight Tolerances and Superior Surface Finish

URMA offers modular boring tools for rough and finish boring in diameters ranging from 0.2 to 2,400 mm. From rough machining to micron-accurate fits, the tools ensure process reliability. Their flexible system design allows for quick tool configuration and seamless integration into existing machining centers.

The combination of rigid tool bodies, compatible extension systems, and optimized indexable inserts enables high cutting parameters and repeatable results, even with long tool overhangs.

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Your Benefits

Wide Diameter Range

With URMA’s modular system, anything is possible in diameters ranging from 0.2 to 2,400 mm.

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High Process Stability

Rigid tool bodies and precision interfaces ensure concentricity and repeatability.

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Flexible Tool Changeover

Modular components, adapters, and extensions enable flexible tool changeovers.

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Downloads

Boring System Catalog
URMA Boring System Flyer
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VersaMax - URMA - Schweiz - Switzerland - Suisse - Suiza - Werkzeugbau - Maschinenbau - Reibwerkzeug - Bohren - Ausdrehen - Reiben - Präzisionswerkzeuge - Werkzeugsysteme - Tool Systems - Tool manufacturers - Reaming - Drilling - Boring System - Production d'outils de Précision - Systèmes d'outils - Fabricants d'outils - Outil d’alésage - Alésage - Foreurs - Usinage - Fabricación de herramientas - Ingeniería mecánica - Impresión 3D de metales - Herramientas

Rough Boring

URMA’s double-edged boring system is an economical solution for roughing and semi-finishing, offering high stability and scalability for large diameters and deep bores.

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Finish Boring

Fine boring heads for tight tolerances and controlled surface finishes. URMA’s fine boring tools cover everything from micro-boring applications to very large diameters.

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Extension Systems

For deep-bore machining, two options are available: vibration damping for reduced vibration or maximum rigidity for high material removal rates. Both systems feature a modular design and accommodate different tool overhangs.

VAS

URMA VAS (Vibration Absorbing System) is a fully modular, vibration-damping system (Beta module) for milling, drilling, boring, and fine boring applications up to approximately 11×D.

LBS

The LBS (Long Boring Bar System) is a compact, rigid system featuring vibration-resistant carbide boring bars for deep-bore machining up to approximately 10×D.

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Modular Components

Our modular components—including adapters, extensions, and reducers—connect tool bodies and boring heads to create application-specific assemblies. Precision-engineered interfaces ensure accurate cutting-edge positioning, while flexible interchangeability allows for a wide range of tool configurations to meet different machining requirements.
Beta Modul - URMA - Schweiz - Switzerland - Suisse - Suiza - Werkzeugbau - Maschinenbau - Reibwerkzeug - Bohren - Ausdrehen - Reiben - Präzisionswerkzeuge - Werkzeugsysteme - Tool Systems - Tool manufacturers - Reaming - Drilling - Boring System - Production d'outils de Précision - Systèmes d'outils - Fabricants d'outils - Outil d’alésage - Alésage - Foreurs - Usinage - Fabricación de herramientas - Ingeniería mecánica - Impresión 3D de metales - Herramientas

Tool Interfaces

Three standardized interfaces cover a range of applications, from maximum rigidity and high modularity to system-independent tool mounting.

Alpha

Our Alpha module features an axial screw connection for rotationally symmetrical, highly rigid tool assemblies, making it ideal for applications requiring maximum stability at high spindle speeds.

Compatible with modular components and LBS.

Beta

Our Beta module features a side-clamping system with a high degree of modularity, making it ideal for use with our modular components and extensions.

Compatible with modular components, LBS, adapter tools, and VAS.

Gamma

Our Gamma module is the Basic Line. The cylindrical shank/Weldon interface is system-independent and cost-effective, making it particularly suitable for use on turning machines.

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Indexable Inserts

URMA indexable inserts are ISO-standard inserts specifically designed for boring applications. Their highly positive cutting geometries are engineered for long machining lengths. A wide range of grades and coating options is available for machining all types of materials.

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Special tools

For high-volume production and complex machining requirements, special tools often offer significant advantages.

Our many years of engineering experience in rough and finish boring, combined with application-specific special tools, have helped achieve precise and reliable results in a wide range of demanding applications.

S.M.A.G. App

The URMA S.M.A.G. App – Smart Machining Application Guide – makes using our tools easier and more efficient. In addition to a reliable cutting data calculator, the app includes our products along with relevant formulas and tables. It helps you select the optimal RX reaming blade based on your input parameters.

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URMA Test Center Tools

URMA Test Center – Where Innovation Meets Precision

At the URMA Test Center, precision tools are developed and optimized under real-world conditions. Materials, machining strategies, and the latest technologies are extensively tested to ensure that URMA solutions meet the highest standards of efficiency, quality, and reliability.

Your benefits:

  • Customized test scenarios: Tailored to your specific requirements.
  • Practical analysis: Simulated manufacturing processes for optimal results.
  • On-site expertise: Direct collaboration with URMA experts to develop innovative solutions.
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Do you have any questions?

Gianni Bara – Director Sales Tools