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Andrews Aerospace’s Electric enhanced Advanced Drilling Unit (sometimes referred to as enhanced Advanced Drilling Unit, ADU) is an innovative and modular unit well suited to drilling and countersinking applications in a variety of materials and mixed stacks of materials.


  • Drill and ream with countersink:

    • 550 W – d ≤ 12.7 mm (1/2’’)

  • Materials (all stacks):​

    • Aluminium​

    • Carbon

    • Titanium

    • Steel


  • Electric motor

  • Mechanical feed

  • Electronic process control


  • Concentric Collet

  • Quarter Turn

  • DASA

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  • High performance

    • Low power consumption (10 to 20 times less than pneumatic ADUs)

    • Low noise < 70 dB

    • Embedded electrovalve control

  • Controlled process​

    • Programmable process via controller HMI or web browser interface via RJ45 connection

    • Adjustable spindle speed (electronic)

    • Adjustable Concentric Collet

    • Stable spindle speed

    • Automatic stroke adaptation for varied material stacks and thicknesses

    • Drill depth monitoring

    • Cycle counter

    • Max hole count

    • Cutter wear limits

    • Data logging

  • Sustainable design

    • Through spindle coolant

    • Quick equipment and tool change

    • Easy maintenance

Images, descriptions and technical data are for descriptive purposes only, and may be subject to change.

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