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GARANT Master Steel DEEP opens up a new performance class for deep hole drilling in steel


New deep hole drill offers up to 30% higher metal removal rates with up to 70% higher process reliability and lasts three times longer

The 'Garant Master' product family for high-performance machining has a new member. With its launch of the GARANT Master Steel DEEP, the Hoffmann Group has taken deep hole drills to the next level. The tool has been designed for deep hole drilling with an extremely high level of process reliability with high cutting parameters. Optimised for machining steel, the deep hole drill shows its strengths without a co-pilot hole even in stainless steel and cast iron. It thereby achieves a tool life up to three times that of the current competitors. The GARANT Master Steel DEEP is thus particularly suitable for machining high-quality components, which requires maximum process reliability. The new deep hole drill can be ordered in the eShop and via the Hoffmann Group 2020/2021 catalogue from 1 August 2020.

In internal tests, the new GARANT Master Steel DEEP achieved impressive results in comparison to its predecessor and products from competitors: up to 30 percent higher metal removal rate, up to 70 percent higher process reliability and three times longer tool life. The tool owes this outstanding performance to a particularly ingenious concept: straight main cutting edges reduce the cutting forces, improved point geometry ensures optimum chip breaking and a special design for cooling and drill guidance offers unique advantages – the through-cooling is only helical in the head area in order to enable an unequal helical pitch of the chip flutes on the remaining drill body with an adaptive helix angle from 15 to 30 degrees. This leads to extremely accelerated evacuation of the chips out of the hole and to greater process reliability at higher cutting speeds. Patented drill guidance consisting of a guide land and guide rings reduces vibration and allows top drill hole quality. Thanks to the guide rings, coolant flows round the drill tip in a targeted manner and prevents overheating of the machining zone. In addition, the chip flow is optimised by a head coating and polished chip flutes.

The GARANT Master Steel DEEP also sets new standards for tool life and tool wear. Its extraordinary level of stability and durability is due to a strong core made from sintered carbide substrate (patented process) as well as an extremely wear-resistant and heat-resistant TiAlN-based multi-layer coating. Due to the head coating, the tool can be reground up to four times to the original quality.

The 'GARANT Master' product range was started in 2015 by the Hoffmann Group with the aim of making high-performance machining with particularly powerful and reliable tools even more productive. The product range has been systematically expanded since then and offers state-of-the-art high-performance tools for various machining applications.

GARANT MasterSteel DEEP_kleinThe GARANT Master Steel DEEP deep hole drill is a pioneer when it comes to the latest generation of reliable deep hole drilling.

GARANT MasterSteel_DEEP_KühlungThe GARANT Master Steel DEEP combines the advantages of central and helical through-cooling. 

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