STEPCRAFT D.840 33 x 23.5 Complete System CNC Machine Package (Fully-Assembled)

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Complete System Package Includes
  • STEPCRAFT D.840 CNC Machine (Fully-Assembled)
  • STEPCRAFT MM-1000 Milling Spindle
  • Remote Switchable Power Controller
  • ¼” and ⅛” Collets
  • Quick Release Lever
  • Dewalt DW611 Router
  • Dewalt DW611 Mounting Bracket
  • DL445 Laser Engraver
  • Tool Length Sensor
  • Automatic Tool Changer
  • Aluminum T Slot Table
  • 2 SK15 Tool Holders

The STEPCRAFT D.840 is the largest model in the STEPCRAFT D-Series product line. With a work area of 33" x 23.5", the D.840 is the perfect machine for woodworking, large hobby model projects, large craft projects and much more. As with all STEPCRAFT machines, you have the ability to quickly interchange attachments so you can go from milling to 3D printing to laser engraving, to craft cutting and much more in seconds.

Since 2012, STEPCRAFT has thousands of machines installed around the world and prides itself on being the most versatile CNC machine on the market with a very competitive price. STEPCRAFT machines feature true German design, innovation, precision and craftsmanship and are fully supported from our USA facility in Torrington, CT.


  • Quickly turn your ideas into finished products in no time
  • Stable, compact, accurate and fast
  • Strong, rigid construction
  • Highly accurate, thanks to high quality, precision components that are matched and test fit at the factory.
  • Many accessories and add-on tools available
  • Works with a large variety of materials, including woods, plastics and non-ferrous metals (aluminum, brass, copper)
  • The system comes completely ready-to-run
  • Easy USB connection to PC
  • STEPCRAFT designed and manufactures the custom aluminum extrusions that provide superior torsional rigidity and functionality - No off-the-shelf or Chinese manufactured frame parts
  • Connecting elements made of stainless steel and aluminum
  • 8-point ball bearing carriage on all axles/linear profiles
  • High-precision lead screws from Switzerland
  • Play-free movement of the carriages (continuous adjustability, freely accessible externally without disassembly)
  • Maximum working speed of 3000 mm/min (50mm/sec)
  • Inspection covers on the Y-axis for easy maintenance and care
  • Silicone seals used to protect the mechanism from dirt on the Y-axis
  • Worktop made of wear-resistant HPL (similar to Formica- countertop material), optional aluminum T-slot table
  • Quick-change system allows you to switch from one application to the next in seconds
  • Integrated workpiece clamping system for plate materials with a thickness of up to 15mm
  • Flexible tool holder through Ø 43 mm clamping collar, optional adapters available for Dremel, Proxxon, Dewalt DW611, and Bosch Colt
  • Integrated control electronics in the machine housing. Only requires a power supply cable and USB cable to the computer - no wiring clutter.
  • 4th-axis unit optional for rotary machining
  • Compact size on many models - perfect for the desktop or workbench
  • Our control software has been specifically designed to be easy for the novice, but to have all the functionality for the professional user
  • Engineered and Manufactured in Germany with Support, Parts, Service and Assembly in Connecticut, USA.

What’s Included

  • 110V AC Power Supply (with USA plug)
  • UCCNC Machine Control Software
  • Parallel-to-USB interface (UC100)
  • USB Cable
  • Operating Instruction Manual
  • First Steps Manual
  • Quick Start Guide

Automatic Tool Changer Package Includes:

  • STEPCRAFT D.840 CNC Machine (Fully-Assembled)
  • STEPCRAFT MM-1000 Milling Spindle
  • Remote Switchable Power Controller
  • ¼” and ⅛” Collets
  • Quick Release Lever

Computer Requirements

  • Windows PC with 1GHz Processor
  • Windows XP or later, Windows 7/8/10 (32/64 bit)
  • MAC OS X 10.3.9 or later with Windows emulation (Parallels or Bootcamp)
  • USB input on your computer
  • Can run from a laptop or desktop computer system or a Windows-based tablet


  • CLAMPING SURFACE (X,Y): 24.09" x 36.22" (612x920mm)
  • WORKING SPACE (X,Y,Z): 23.62" x 33.07" x 5.51" (600x840x140mm)
  • PASSAGE HEIGHT: 6.89" (175mm)
  • REPEATABILITY: +- .0019" (.05mm)
  • PROGRAMMABLE RESOLUTION: .00019" (.005mm)
  • BACKLASH: Approx. .001-003" (With software - adjustable to 0.00")
  • MAXIMUM SPEED: 118.11 in/min (3000mm/min or 50mm/sec)
  • SPINDLE: STEPCRAFT MM-1000 1.4HP 1000 Watt AC with Variable Speed Control
  • LINEAR GUIDE: STEPCRAFT Custom aluminum extrusion (EN AW-6063 T66) with roller guides
  • DRIVE: Nanotec® Stepper motors (3)
  • ATC TOOL HOLDER: SK15 for use with ER11 collets
  • ATC TOOL CAPACITY: Included tool rack holds 6 tools (additional racks can be added to allow for more tool holders)
  • OVERALL SIZE: 38.19" x 29.53" x 20.08" (970 x 750 x 510mm)
  • WEIGHT: 250 lbs.
  • MACHINE TABLE: Wear-resistant HPL (similar to Formica- countertop material), optional aluminum T-slot table
  • INPUT VOLTAGE (AC): 100-240V
  • SOFTWARE: UCCNC (Included)
WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust
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