TaeguTec has expanded its DIA-RUSH product family with new diamond-coated grades engineered for machining composite materials and non-ferrous metals. This strategic product line expansion directly addresses rising market demand for effective ways to machine lightweight materials.

The three new grades feature TaeguTec’s advanced nano-diamond coating technology, which introduces numerous nano-diamond structures with strong adhesion to the substrate layer. This approach delivers hardness exceeding HV8000, as well as high thermal stability, impact resistance and machining stability.

TaeguTec’s expanded product line-up includes three specialised grades. The new TTD610 is for composite materials such as CFRP and GFRP. Compared with competitive solutions, the company says the nano-diamond coating reduces delamination and achieves high hole accuracy in CFRP machining.

The TTD610 grade is applied to TaeguTec’s RCME, RCDE, RRFE, RCOM and RDCF solid-carbide end mills, as well as the CDF, AES and NHD series of drills, providing solutions for aircraft frame, car chassis and wind turbine blade applications.

Complementing the TTD610, the new TTD620 grade has been optimised for graphite machining applications. This grade demonstrates thermal stability during high-speed operations and delivers wear resistance for electrode and industrial part production. It replaces the previous TT6050 diamond-coated grade. The TTD620 is available in TaeguTec’s DMB, DEB, DMR and DER ranges of two-flute ball-nose, short-ball, corner radius, and three-flute corner radius solid-carbide end mills, as well as the APCT, 3PHT and CCGT insert geometries.

The third new grade, TTD630, is for machining ceramic and zirconium dioxide. It offers wear and thermal shock resistance, and strong coating adhesion for demanding applications such as the machining of dental crowns. The TTD630 grade enables effective machining with HSB and HSF solid-carbide end mills, as well as NHD solid drills for industrial and dental applications.

More information www.taegutec.com

With the new 66T grooving system, Horn is expanding its cutting tool portfolio in the area of six-edged indexable inserts, which are said to offer a competitive price per cutting edge. The maximum grooving depth is 9.5 mm, which is about 4 mm more than is possible with the sister system, 64T. The cutting width is either 2.5 or 3 mm, while the corner radius is 0.2 mm.

Depending on the application, Horn offers 66T grooving inserts with a choice of two chip-breaker geometries, 1A or DL, to ensure reliable chip management during machining, plus a further version without geometry for maximum edge strength. The IG65 carbide grade is used for machining stainless steels and difficult-to-cut materials. For general steels, Horn recommends the EG55 carbide grade.

The 1A geometry is suitable for groove turning operations only, while the DL geometry is suitable for longitudinal turning as well as grooving. For the former operation, the inserts are available with a corner radius of 0.4 mm. According to Horn, the variants with chip-breaking geometry ensure excellent surface quality on the groove flanks, while the straight main cutting edge produces a cleanly finished base. 

Designed as neutral grooving inserts, they can be clamped in square shanks, with internal coolant delivery to either the left or right-hand side. Shank cross section is 20 x 20 mm or 25 x 25 mm. A clamping screw fixes the grooving insert precisely and securely in the central insert seat. The inserts are also compatible with Horn’s modular type 220 clamping cassette holder system.

More information www.horn-group.com

With the Drivox·tec solid-carbide drill DD170 Supreme, Walter says it has launched a new ‘hole-making icon’ to the market. Like its predecessor, the DC170 Supreme, the new DD170 Supreme has also been designed as a problem solver.

Suitable for hole-making in steel and cast iron workpieces, the Drivox·tec solid-carbide drill DD170 introduces technical improvements that Walter reports are currently unique. The primary improvement is the new Krato·tec multi-layer coating. Walter has already introduced this in other drill families to deliver tool life improvements in the region of 50% or more, depending upon the specific application.

The revised point geometry of the solid-carbide Drivox·tec DD170 Supreme hole-making series has an equally positive effect. Incorporating a larger clearance angle on the internal side than on the external side with a raised drill point, the DD170 Supreme improves positioning accuracy. Furthermore, these geometry advances reduce axial forces and increase hole quality, precision and machining performance, says Walter. 

The patented groove design has also seen optimisation. With a flatter entry point, the drill improves process stability, especially when machining soft materials like mild steel, as it minimises material sticking and improves swarf evacuation. In addition to optimising the cutting profile, Walter has also increased the number of flutes. With 12 grooves instead of eight, the DD170 Supreme can now be reground more frequently. This increases both the service life and sustainability of the solid-carbide drill bit.

According to Walter, the new range demonstrates high process reliability in demanding applications such as cross holes and inclined exits. This is credit to the high wear protection of the Krato·tec coating, which makes the DD170 Supreme the new benchmark for high-performance solid-carbide drilling.

More information www.walter-tools.com

TaeguTec is launching its latest milling breakthrough: the Fine-Barrel series. Designed for high performance and versatility, TaeguTec says the new NFLB lens-type and NFCB chamfer-type barrel inserts are redefining standards in profile milling by delivering a more than 40% increase in productivity compared with traditional ball-type milling.

The Fine-Barrel product family introduces an advanced barrel geometry, integrating larger radius cutting edges capable of wide-pitch machining. This innovative design improves productivity and ensures excellent surface finishes in high-precision applications, making the tools suitable for industries demanding top-tier performance.

The NFLB lens-type insert features a dual-function bottom and side cutting edge, enabling various profile machining options within a single tool. Users can independently program each cutting edge through CAM software, offering flexibility for complex shapes and surfaces.

Meanwhile, the NFCB chamfer-type insert includes an inclined cutting edge that enhances machining efficiency on inclined profiles and reduces overhang, contributing to higher stability and accuracy. In addition, its bottom radius cutting edge can replicate the capabilities of a ball end mill, offering even broader application potential. Both the NFLB lens and NFCB chamfer-type inserts are available in various dimensions, grades and coatings to meet the user’s specific requirements.

Fine-Barrel inserts are fully compatible with TaeguTec’s existing Fine-Ball TNF holders, allowing manufacturers to upgrade their tooling systems without additional tool-holder investment. This compatibility ensures a stable clamping system with excellent run-out and repeatability, says TaeguTec, which are critical factors in achieving precision and consistency across production runs.

According to the company, the inserts offer increased efficiency, superior surface quality and versatility, setting a new benchmark in the industry with significantly increased step-over rates that reduce cycle times to levels beyond those of conventional tools.

More information www.taegutec.com