Slick® / Slick Evo®

Drill-countersinks for composite + metal stacks

Slick® / Slick Evo®

Patented geometry for One-Shot & One-Up applications.

HTT drill-countersinks specifically engineered for One-Up and One-Shot applications. Patented drill countersinks already used in Boeing and Airbus programs.

Slick® drill-countersinks guarantee consistent savings in cycle time and help optimized the cost-per-hole, by guaranteeing no exit burr.

Get in contact with our engineers to find out how you can improve your machining.

Customize your tools

High Tech

Tool Features


  • Many stack-up combinations:
    • Aluminum / CFRP or CFRP / aluminum
    • Titanium / CFRP or CFRP / titanium
    • Aluminum / titanium / CFRP


  • Automatic



Why choose HTT?

Benefits of using HTT solutions


This special geometry was granted an international patent.


One solution that replaces multiple tools, for One-Shot applications.


For drilling in One-Up without disassembling the stacked materials.

Long Tool Life

Our goal is to provide solutions with longer tool life.

Cost Benefit

HTT tools are specifically engineered for helping reduce the cost-per-hole.

Cycle Time Reduction

HTT special geometries with tailored cutting data help reduce job time.

Respect for Nature

HTT respects the nature by reducing emissions and using renewable energy.

Customize your tools

Contact Us

HTT engineers can design custom solutions tailored upon your specific requirements.