DeHoff Custom Machines

Unique solutions to meet your production requirements

Kays Engineering can custom design and build a DeHoff gundrilling machine to meet your unique applications and requirements. These machines feature custom fixturing, automated workpiece loading/unloading, and unique spindle configurations.

On this page you’ll find examples of customized DeHoff machines. If you’d like to learn more about how we can customize a machine for you, please contact Ed Kays at 660-886-9929 or

218 4-Spindle

  • Custom machine for drilling hollow stem engine values
  • 0.25-inch (6.4 mm) drilling capacity x 18-inch (457 mm) drilling depth
  • 4 spindles
  • Automated workpiece loading / unloading

1024C 6-Spindle

  • Custom machine for drilling camshafts
  • 1-inch (25.4 mm) drilling capacity x 24-inch (610 mm) drilling depth
  • 6 spindles
  • Lift-and-Carry material handling automation
  • Adjustable tailstocks/hydraulic clamping system

1536 Twin Slide

  • Custom machine for drilling helicopter drive shafts
  • 1.5-inch (38.1 mm) drilling capacity x 36-inch (914 mm) drilling depth
  • 2 spindles on independent slides with dual operator controls

518 Cell 9-Spindle

  • Custom machine for drilling of scroll compressor drive shafts
  • 0.5-inch (12.7 mm) drilling capacity x 18-inch (457 mm) drilling depth
  • 9 total spindles on 3 machine bases (3 spindles on each base)

DeHoff gun drill

10 Series

High-volume production gundrilling

20 Series

High-torque gundrilling applications


Gundrilling complex hole patterns

BTA deep hole drilling machine


Versatile drilling machines for large diameter holes

Gun Barrel

The complete gun barrel manufacturing system

Gundrilling machine

Features & Options

Learn more about the DeHoff coolant system, machine control, fixturing options, and high-torque gearbox

Which machine is right for your application?

Call us! We're here to help you.

Ed Kays, President
660.886.9929 (ext. 116)