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

Gundrilling machine

10 Series

High-volume production gundrilling

Gundrilling machine

20 Series

High-torque gundrilling applications


Gundrilling complex hole patterns

BTA deep hole drilling machine


Versatile drilling machines for large diameter holes

Gun barrel reaming machine

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)