SuperFinishng bores with the Super Mini

At EMO 2023 in Hannover Germany, Horn presented an innovative extension for the Supermini system in the field of ultra-fine machining.

  Horn has added a variant with a precision-ground rake face to the Supermini system especially for ultra-fine machining of bores.

As a result of precision grinding of the cutting edge, it is free from notches when magnified approximately 200 times. The tool system can be used from an inside diameter of 0.3 mm (0.012").

The sharp insert geometry enables process reliability even with very small infeed and cutting feed rates. The specially developed coating is suitable for stainless steels, non-ferrous metals and other metallic materials.

The insert of the Supermini Type 105 system requires only one tool holder for well over 1,000 insert variants. This applies equally to left-hand and right-hand versions.

The carbide inserts are available in coated and uncoated versions in different grades for every application including hard machining up to 66 HRC.

The patented droplet shape of the cross-section has a vibration-damping effect and delivers excellent repeatability when changing the insert. Internal coolant supply to the insert increases tool life, enhances cutting performance and improves chip removal.

Horn offers the tools with elements for face clamping. This allows, for example, the insert to be changed easily without having to remove the holder from the machine.

History Horn Supermini
In 1989, HORN launched the technically superior Supermini system at EMO in Hannover, Germany. After considerable technical development, it was possible to successfully manufacture precision internal grooving tools for bores down to 5 mm (0.197") in diameter.

​The Supermini system was born and over time became one of Horn's most successful products. In addition, the Supermini system was the first precision tool to benefit from Horn's own in-house coatings.

Supermini Set
The Supermini is available as a set. The set consists of a round shank holder and three different clamping elements. The latter are suitable for the three different insert heights of the Supermini system, 03, 04 and 05.

You can select the desired diameter of the round shank holder when ordering. Horn offers it in the diameters 10 mm, 12 mm, 16 mm, 20 mm, 22 mm, 25 mm and 28 mm. Inch dimensions are available in 1/2", 5/8", 3/4" and 1" diameters. All sets are available from stock.