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Leuco Ltd

Stand: K136
Machines & Precision Tools

DP Countersinking Solutions for Aerospace Applications, standard with integrated/exchangeable pilot or upon customer request

The DP Countersink product family is designed for high-precision post-countersinking of pre-drilled holes in aerospace manufacturing. Developed for use in hand-held machining units with stop holders, these tools deliver consistently high-quality countersinks for riveted joints in composite and lightweight metal structures.

Suitable for CFRP, GFRP, aluminium, titanium stacks and other advanced aerospace materials, the tools produce chatter-free and delamination-free countersinks, ensuring excellent surface quality and reliable joint performance. DP-tipped cutting edges provide exceptional wear resistance and long tool life, supporting cost-efficient machining even in demanding production environments.

Available with two or three cutting edges, the tools can be tailored to specific applications and material combinations. Fixed-pilot versions offer maximum process stability and machining accuracy through precise guidance matched to the bore diameter, while interchangeable-pilot variants provide greater flexibility by enabling multiple hole diameters to be machined with a single tool body.

The combination of superior cutting performance, extended service life and application-specific configurations makes these countersinking solutions a reliable choice for aerospace drilling and riveting processes.

https://www.leuco.com/EN/US/solutions/applications/composite-processing#csk
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