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Sieg KX1 Hobby CNC Mill

The SIEG KX1 CNC Hobby Mill is a full 3 axis stepper motor driven milling machine for direct connection to a PC running the popular Windows based Mach 3 CNC control software.

All customers thinking of ordering this machine, please Read This first.


  • Precision Ballscrews
  • Direct Drive NEMA 23 Hybrid Stepper Motors
  • 3x Stepper Drivers for main axes (X,Y,Z)
  • 1x Extra Stepper Driver for 4th Axis pre-wired with External Socket
  • 500w Closed Loop Brushless DC Spindle Motor
  • Variable Spindle Speed under Full CNC Control
  • Toothed Belt Spindle Drive (No Gears)
  • Limit Switches and Homing on all 3 axes
  • Fully Covered Bedways
  • Emergency E-Stop Switch
  • Chuck Guard Switch
  • USB Interface (Parallel port no longer required on PC)
  • UK based on-line support

Carriage £68.26 to UK mainland only (excluding Highlands and islands - price on application).

Delivery: When the machine is ready, we will contact you to arrange a convenient day for delivery.
Please note that we will only deliver this machine to the registered card address.

  • This machine is sold for hobby use only.
  • Overseas customers (including UK Islands) thinking of ordering a machine, please Read This first.
  • All customers thinking of ordering this machine, please Read This first.
End Milling Capacity 10mm
Face Milling Capacity 20mm
Drilling Capacity 10mm
Effective Table Size 400x145mm
Lubrication Press Button Oilers
Table Travel - X-Axis 260mm
Table Travel - Y-Axis 115mm
Head Travel - Z-Axis 185mm
Head-Table Distance 70-255mm
Ballscrew Size (Dia. x Pitch) 12mm x 4mm
X-Axis Motor 1.35Nm
Y-Axis Motor 1.35Nm
Z-Axis Motor 2.2Nm
Throat 140mm
No. of T-Slots (Size) 3 (8mm)
Positional Accuracy 0.01mm
Spindle Taper MT2
Spindle Motor 500w Brushless DC Motor
Spindle Speed 250-7000rpm
Max. Spindle Motor Torque 1.8Nm @ 1500rpm
Power Requirements 230v AC 50Hz
Overall Dimensions (w/d/h) 630x630x630mm
Max. Space Required (w/d/h) 910x630x730mm
Shipping Dimensions 76x76x79cms
Weight (Net/Gross) 86/120kg
Standard Equipment:
KX1 Machine Toolkit, USB Cable,
Mach 3 Demo Software and custom configuration files
Quick Start Guide, Mach 3 Guide & Technical Manual

Computer specifications required to run mach3:

Minimum Spec.

  • 1.2GHz CPU
  • 512MB Memory
  • 20 GB Hard Drive
  • Windows 2000 or XP (will not work on Vista, Win 7 or Win 8 correctly)
  • Free USB Port for machine interface

Recommended Spec.

  • 2GHz CPU (Dual Core CPU's will run with Mach)
  • 1GB Memory
  • 20 GB Hard Drive
  • Windows XP
  • 32 MB AGP/IDE-E Video Card
  • Free USB Port for machine interface
  • Front USB port (for memory stick drives for moving files)

We do not advise the use of laptops as the power and memory management tend to interfere with the Mach software. Some people have had issues with certain VIA chipsets not working with Mach software too. It is best if any network adapters are turned off at the BIOS to stop windows looking for network settings while it is running Mach3. We have been able to run machines with the network turned on and sending files from another machine but do not support any issues with trying to use the internet when running code.

080-030-00900 Sieg KX1 Hobby CNC Mill RRP: £4,300.07 Inc.VAT
£2,495.83 Excl.VAT
£2,995.00 Inc.VAT
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480-010-00200 Mach 3 Software on CD for KX1/KX3 CNC Mill £152.03 Excl.VAT
£182.44 Inc.VAT
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480-020-00110 Vectric Cut2D Desktop Software on CD £110.00 Excl.VAT
£132.00 Inc.VAT
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