Category: Grooving

HORN USA's Mini 114: New Tools for Deep Axial Grooving

10/15/2025

Engineered for precision and performance, the Horn Mini 114 system redefines deep axial grooving with advanced coatings, optimized tool geometry, and compatibility with existing holders—ideal for demanding applications across aerospace, firearms, medical, and more.

Horn Mini 114 grooving tool system

Horn USA has introduced a new range of tools specifically designed for deep axial grooving applications. These tools, including the Horn Mini 114 grooving tool system for turning and milling, which can create face grooves (axial grooves) up to 10 mm deep, are tailored for applications requiring exceptional accuracy and surface finish, especially in the production of internal grooves, seal grooves, and other complex geometries in small-diameter bores.

Key Features and Benefits

Expanded Groove Depth Capabilities - The new tools offer grooving capabilities of up to 10 mm deep, which is a substantial improvement over previous standard tools in this category. This makes them ideal for demanding applications in industries such as aerospace, automotive, medical, firearms, and industrial equipment. By addressing the challenges of deep axial grooving, these tools enable machinists to achieve precise results without compromising on efficiency.
Enhanced Tool Geometry - The cutting geometry has been designed to optimize performance by reducing cutting forces and enhancing chip control. This allows for smoother operation and consistent chip evacuation, even under demanding conditions. The tools are engineered to deliver reliable performance and minimize wear, which really improves tool life.
Advanced Coating Technology - These tools feature the IG35 coating, Horn's proprietary technology designed to enhance heat resistance and reduce friction. The IG35 coating ensures consistent performance across a wide range of materials, including high-strength alloys and stainless steels, making the tools exceptionally versatile and durable.
Compatibility with Existing Tool Holders - The Mini 114 inserts are designed to fit directly into Horn’s existing axial tool holder systems. This eliminates the need for special tool holders, simplifying setup and reducing tooling investment while maintaining high-performance results.
Modular Tooling System - The tools are also compatible with Horn’s modular tooling system, providing users with added flexibility in adapting to various machining setups. This modularity reduces downtime during tool changes and supports greater operational efficiency.

As standard, Horn offers the EG55 carbide grade grooving tools in three different types from stock with cutting widths of 2 mm, 2.5 mm, and 3 mm. The minimum diameter for grooving is 14 mm, while the maximum is 34 mm to 36 mm, depending on the type.

Applications and Industries
The new deep axial grooving tools are particularly beneficial for:

Seal Grooves - Precision machining of grooves for seals, commonly found in hydraulic and pneumatic systems.
Internal Grooves - Creation of complex geometries inside cylindrical components.
Specialized Applications - Machining tasks requiring exceptional depth-to-width ratio capabilities.

These tools are engineered to meet the high standards demanded by industries such as:

Aerospace - Manufacturing components with intricate internal features.
Medical - Precision machining of surgical instruments and implants.
Automotive - Production of internal grooves for drivetrain and engine components.
Firearms - Machining precision grooves in firearm components, such as barrels and receivers.
Industrial Equipment - Manufacturing grooves for heavy-duty machinery parts.

The inclusion of industries such as firearms and industrial equipment highlights the relevance of these tools in the New England market, where precision manufacturing is critical.

Horn USA’s new tools for deep axial grooving demonstrate the company’s commitment to addressing the evolving needs of precision machining. By combining advanced geometry, superior coatings, modularity, compatibility with existing holders, and precise specifications, these tools set a new standard for performance and efficiency in challenging grooving applications.

For more information about these innovative tools and their applications contact us at F&L Technical Sales.

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HORN USA expands its circular milling system 304 for Small Threads

2/17/2022

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Horn USA recently expanded its circular milling system 304 with new thread milling inserts to perform in diameters of 8 mm (.315”).

THREAD MILLING SYSTEM 304 for small threads from 9 mm diameter.

The precision tools are available as partial and full-profile versions for the production of threads by helical interpolation. Triple-edged inserts in the 304 system already exist for groove milling, finish boring, and chamfering.

The new threading inserts spin on diameter 7.7 mm (.303”). Vibration dampening carbide shanks with integral through coolant ports make the system versatile and easy to use.

The HORN circular milling system offers users a host of process advantages. It is fast, reliable, and produces good surface finishes.

During the machining process, the tool plunges into the material either at an angle or almost horizontally and is then driven on a helical path. Threads can be manufactured at a highly reproduceable level of consistent quality.

Circular interpolation has a wide range of applications and can be more economical when strategically applied when machining steel, special steels, titanium, and alloys.

HORN’s circular milling tools are engineered for precision machining of grooves, threads, t-slots, profile milling and other circular interpolation processes.

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NEW Grooving System for Swiss-Type Lathes and Cramped Spaces

1/16/2019

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HORN USA is proud to present the new 32T system for grooving and parting off on Swiss-type lathes and smaller fixed-head lathes. With a precision-sintered grooving insert and central clamping screw, the tool system offers high changeover accuracy for the cutting insert and direct entry into the insert seat of the tool carrier.

Additionally, there is no need for clamping elements, which may have a detrimental effect on chip flow. The screw head of the clamping bolt does not introduce interfering contours and therefore permits both grooving on a collar and parting off directly at the spindle.

The grooving insert can be used as a neutral insert, and as both a left-hand and a right-hand insert.

The 32T system completes HORN USA's portfolio of triple-edge cutting inserts by offering a solution for smaller-scale applications. By adding the new system to its range, the tool manufacturer is responding to customer requests for a triple-edge cutting insert system for Swiss-type lathes and other smaller turning machines, in particular in applications where space is at a premium.

The precision-sintered 32T insert is secured to the holder with a central screw, removing the need for additional exterior clamping components that negatively affect chip flow. Available in 2 and 2.5 mm (.079 and .098") widths with maximum depth of groove up to 4 mm (.157"). For grooving operations, the inserts are available with both straight and full-radius cutting edges.

HORN USA offers the indexable insert with a 15-degree chamfer for parting off. A cylindrically ground chip-breaker geometry makes for reliable chip removal.

The tool carrier is designed as a square shank measuring 10 x 10 mm or 12 x 12 mm. Both versions feature an internal coolant supply and are available in both left-hand and right-hand designs.

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HORN USA's Mini 114: New Tools for Deep Axial Grooving

HORN USA expands its circular milling system 304 for Small Threads

NEW Grooving System for Swiss-Type Lathes and Cramped Spaces

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