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Latest Products


Extentsion for modular system 960

HORN is extending the 960 modular system for the 845 interface by adding new cartridges to hold the S229 insert. The double-edged insert for grooving and parting off, as well as for longitudinal and contour turning, is available ex stock with various chipbreaker geometries and substrates. The maximum grooving depth of the cartridge is 25 mm with a machining diameter of 68 mm. Groove widths between 3 mm and 6 mm are available. All grooving cartridges are fitted with an internal coolant supply. Cooling takes place via the clamping finger and support.


Internally cooled inserts for grooving and parting off

The S100 single cutting edge insert and the S224 double cutting edge insert from HORN are available with internal coolant supply through the insert. The targeted coolant jet acts directly on the point of cutting, thus ensuring optimum cutting conditions. The funnel-shaped nozzle creates a coolant jet which actively supports chip formation and thus reduces the chance of chip jamming. Furthermore, this type of internal cooling significantly reduces the formation of built-up edges and fractures on the cutting edge. Unlike conventional cooling methods, this system therefore achieves higher cutting parameters, which allow the tool to be used even more economically and efficiently.



Supermini® and Mini with diamond cutting edges

Our portfolio of products for boring now includes diamond-tipped tools with CVD-D and PCD cutting edges. These tools are used for boring, copying and grooving when working with sintered carbide, ceramics or abrasive plastics. They are also used for machining non-ferrous materials which are either highly abrasive due to their silicon content or have a tendency to exhibit chipping problems and form built-up edges. The chip geometry, which has been specially developed for this purpose, solves virtually all machining problems caused by uncontrolled formation of stringy swarf.


DA62 Milling System

HORN has developed the new DA62 milling system for corner, face and plunge milling. The system from the Tübingen-based precision tool manufacturer uses a new six-edged indexable insert. Both sides of the insert can be used and it has three axial and radial cutting edges on each side. The precision-sintered, trigonal insert boasts a large core cross-section and maximum cutting length. The design of the cutting edges produces a positive cutting geometry despite the negative insert angle.


Tools System 262 for CAM Driven Machines

The new 262 tool system has been specially developed by HORN for cam-controlled lathes, with indexable inserts for holders with 6x6 and 8x8 mm cross-section.

The hard-milled insert seat ensures excellent stability, the ground contact surfaces of the indexable inserts ensure exceptional precision and two fastening screws ensure stable clamping. The system allows the centre height, width and length to be positioned precisely. A lateral insert seat offers maximum freedom when designing the cutting edge.

21 different cutting edge shapes are available as standard:

  • for grooving with a width of 0.8 mm or more
  • for grooving and longitudinal turning with a width of 0.8 mm or more
  • or longitudinal turning: forwards and backwards
  • and for face turning


Modular Grooving Systems with Internal Cooling

The modular grooving system from HORN for grooving cartridges based on the systems interface 845 and 842 consists of:

Basic toolholder for turrets with BMT / MAZ connections or VDI holders for turrets and Star turrets
Basic toolholders for mill-turn centers
Grooving toolholders

The modular system kit has a selection of basic toolholder for turrets with BMT connections, based on standard machine types. Alternatively VDI basic holders and basic toolholders for mill-turn centers are available in various sizes.

The matching grooving toolholders with integrated coolant supply allow the cartridge heights to be adjusted and their fastenings to be set in a normal or overhead position, on the left or on the right of the grooving toolholder.

The cartridge systems with system interface 845 and 842 serves as the holder for the S100, S101 and S224 grooving insert systems with a range of geometries and substrates. Grooving widths of 1.2 mm - 4 mm are available with grooving depths up to 55 mm. The cartridges are equipped with an integrated coolant supply in versions for clamping finger and support cooling. 


HORN Turbowhirling®

The newly developed HORN turbowhirling® system optimizes the thread whirling process and increases efficiency.

HORN turbowhirling® can be applied to single-start and multi-start threads and profiles. What's more, during this process, the S271 precision-ground double-edged indexable inserts are tailored to the respective thread profile and the material to be machined. The indexable inserts are clamped in positive-fit, extremely stable insert seats either in the new modular whirling heads with optimized handling during insert replacement or conventionally in the Mono block tools.


Tools for the Micro-Machining Industry

When machining components with diameters starting from 0.2 mm (.008") using cutting depths that often measure 0.01 mm (.0004"), tools, tool systems and, primarily, cutting edge designs face extremely high requirements.

In order to ensure precision chip removal, even at the smallest depths, cutting edges must be incredibly sharp and chip free, with exceptionally fine surface qualities. The machines employed in micro-machining usually offer significantly less space for toolholders, requiring the use of holders designed specifically for them. Toolholder design featuring internal coolant supply guarantees maximum performance.


Modular Thread Whirling System

HORN's thread whirling technology with 6 or 9 effective cutting edges with whirling cutters type M271 is a highly effective and economical system to produce single or multi start threads and profiles. Due to very short machining time, the process of thread whirling much more cost effective when compared to conventional threading practices.

The newly developed modular thread whirling system gives the customer a great variety of possible tool combinations that is suitable for most popular sliding head machines and whirling units on the market.  The high precision indexable inserts type S271 offers the possibility of conventional whirling using 6 inserts per tool or HORN Turbowhirling® having 9 inserts on the tool (3 roughing and 6 finishing inserts).


Insert Type S100 with .3V Geometry

The funnel-shaped nozzle creates a coolant jet, which supports chip forming and thus reduces the chance of chip build-up.

This type of internal cooling largely prevents the formation of build-up edges and premature chipping of the cutting edge. Unlike conventional cooling methods, this system achieves higher cutting parameters, which allow the tool to be used more economically and effectively.

The insert S100 with chip geometry .3V and HP65 coating is specifically designed for grooving and parting off, stainless steel materials.


Face Grooving System: 25A with New .L Geometry

Supplying internal coolant to the cutting point guarantees efficient cooling and boosts chip flow.

The system has been expanded to include the 4 mm (.157") cutting width and can achieve grooving depths of up to 20 mm (.787").  Both one-edged and two-edged straight or full-radius inserts are available in the additional cutting widths.  Indexable inserts have a "neutral" design and can therefore be used in left and right tool holders.


System 64T: Six Edged Indexable Insert

The 64T six-edged indexable insert is the latest addition to the HORN family of high performance tooling. The 64T insert is precision sintered and available in widths up to 3.29 mm (0.130") with geometry .00. As a neutral grooving insert, it can be used on either the left or the right in square shank holders with internal cooling. The holders measure 16 x 16 (0.630" x 0.630"), 20 x 20 (0.787" x 0.787") or 25 x 25 mm (0.984" x 0.984").

The 64T insert supports grooving depths of up to 3.5 mm (0.138") and a maximum workpiece diameter of 65 mm (2.559").

The new EG55 high-performance coating considerably improves the tool life and makes the grooving insert a perfect all-around choice for machining steel as well as a wide range of other materials.


The New Generation of Supermini® - Type 105

Setting new standards with a new coating, new substrate and new micro-geometry for boring holes between 0.2 mm and 6.8 mm.

The Supermini® type 105 stands out thanks to the new TiAIN coating with gold-colored top layer to detect wear, outstanding hardness, extremely tight layer construction and excellent layer adhesion are features of this grade.

Standard availability for internal diameters 0.2 mm to 6.8 mm (.008" to .268") and in lengths up to 5 x D.


Gear Milling Solutions up to Module 30

With the expansion of the gear milling systems up to module 30, we offer integrated tool systems from module 0.5 to module 30.

The gear range includes milling spur gears, milling shaft/hub connections, broaching internal toothing, milling worm shafts and milling customer-specific gear profiles. Depending on the module size (DIN 3972, basic rack profile 1), there are various milling systems for the area of application:

  • Up to module 3: Inserts of type 606 to 636 (also as triple cutters)
  • Up to module 4: M279 milling system single-row and two-row for wide profiles
  • Up to module 6: NEW M121 milling system
  • From module 7: Different systems for high feed milling




System: S315 - Indexable Insert

The new narrow triple-edge indexable insert for the 315 grooving system features a range of chip geometries for full and partial cuts with grooving widths of less than 2 mm (.079"). Available in cutting widths of 1.1/1.3/1.5 and 2 mm (.043/.051/.059 and .079") in left or right-hand design support grooving depths of up to 5.5 mm (.217").

The new EG55 high-performance coating grade, which has been developed in the HORN laboratory, is characterized by its outstanding adhesion to the carbide substrate, high homogeneity, wear resistance and incredibly long tool life in general steel machining applications.


Modular Threading Die

HORN’s modular die for pipe threads (patent pending), which is available in sizes of G¾ and G1 inch, is an easy swap system consisting of one basic holder and individual inserts. In the event of wear, all you have to do is replace the inserts in the basic holder, thereby eliminating the regrinding work that would normally be required.


Tangential Milling with System 406 and 409

Face and corner mills are available in standard diameters 40 mm (1.575") to 250 mm (9.843") with a wide and narrow tooth pitch.

These products offer maximum performance for stringent requirements of machines and workpieces alike. The existing screw-in and shell end mills from the 406 system are to be supplemented by solutions with diameters ranging from 16 mm (0.630") to 40 mm (1.575") that have been specially developed for use with driven tools. This provides a comprehensive choice of efficient options for handling challenging machining tasks.

- Milling shanks

- Screw-in cutter

- 90° Milling shank and Shoulder mills - 45° and 60° Face mills

- Shell end mills

- Disc milling cutter


DS Endmills for Titanium

An impressive array of specialized tools for machining titanium materials.

With their sharp cutting edges, positive cutting angle, large relief angle and polished cutting edges, these tools overcome the main difficulties encountered during titanium machining.  HORN developed the TSTK coating specifically for the DS line of endmills used in aviation/aerospace and medical technology industries.


T-Slot Milling with System 406/409

HORN's patented tangential milling system has been specifically optimized for T-Slot production.  

The cutters are available with diameters of 25 mm (.984”), 32 mm (1.260”), 40 mm (1.575”) and 50 mm (1.969”). All the different cutters have shanks which are compliant with DIN1835-B.  The cutter bodies are extremely stable and designed with internal radial coolant supply, for efficient cooling and optimized chip evacuation.

Widths of cut, 11 mm (.433”), 14 mm (.551”), 18 mm (.709”) and 22 mm (.866”) are dependent on the cutting diameter.


DR small - High Performance Reaming

The smallest patented quick-change reaming system in the world is a cost-effective alternative to solid carbide reamers.

Diameter Range: Ø 7.600 - 13.100 mm (Ø .29921 - .51575")

DR small cuts the costs per bore hole substantially, increases productivity and reduces logistics costs thanks to the easy swap system, which does away with the need for regrinding or timely size adjustment.  The system enables a high level of force transmission to be achieved with repeatable precision of less than 5 μm (0.0001969").


System DS: Solid Carbide Endmills for Trochoidal Milling in Steel

The special construction of the geometry for trochoidal milling cycles ensures a quiet process due to the unequal division/split/ and helical cutting edges.  The reduced pressure angle milling tools are designed with an extremely stable core diameter.  in combination with the high performance coating these end mills are suitable for a wide range of wet and dry machining a variety of steels.