Kerfgrid
Machine shop Checked Oct 8, 2026

Four Tech Industries

Tinley Park, IL · prototype

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About

A Tinley Park, IL machine shop making precision CNC parts, from simple 2-D parts to complex 5-axis aerospace parts, built to customer design intent. The family-owned company also offers welding, assembly, gear cutting, heat treating, laser engraving and 3D printing.

Summary written by Kerfgrid from four-tech.com.

Processes

Select a process to see the sentence it comes from.

Materials
Tool steel, nickel alloys, stainless steel, carbon steel, copper, brass and bronze, aluminum
Industries
Aerospace
Volumes
Prototype
Holds
.0002” range
On the shop floor
15 machines listed on four-tech.com
  • DMG Mori DMU 85 Monoblock
  • DMG Mori DMU 50 Horizontal Milling
  • DMG Mori NHX 5000
  • Mori Seiki NH 5000
  • Mori Seiki NH 4000
  • DMG Mori NLX1500
  • Mori Seiki NL 2000
  • Mori Seiki NL 2500
  • Mori Seiki NV 7000
  • DMG Mori NVX 5100
  • Mori Seiki NV 5100
  • Mori Seiki Dura Vertical 5100
  • DMG Mori Eco 635
  • Hass VF3Y
  • Hass VF3
Where each detail comes from
  • Processes · CNC milling
    “Precision CNC Horizontal and Vertical Machining is the core of our business.”
    four-tech.com
  • Processes · 5-axis machining
    “CNC 5-axis Milling: Trying to stay current and competitive made us invest into the 5-axis milling.”
    four-tech.com
  • Processes · CNC turning
    “CNC Turning and Turn-Milling: Our turning capabilities are extensive and range from very basic shapes”
    four-tech.com
  • Processes · Machining
    “CNC Precision Machining Services”
    four-tech.com
  • Processes · Gear cutting
    “Other Services: Gear cutting Welding Laser Engraving”
    four-tech.com
  • Processes · Welding
    “Machining Welding and Assembly”
    four-tech.com
  • Processes · Assembly
    “Machining Welding and Assembly”
    four-tech.com
  • Processes · Prototyping
    “Prototyping and 3D Printing”
    four-tech.com
  • Processes · 3D printing
    “Other Services: Gear cutting Welding Laser Engraving 3D Printing Heat Treating Finishing”
    four-tech.com
  • Processes · Engraving and marking
    “Other Services: Gear cutting Welding Laser Engraving 3D Printing”
    four-tech.com
  • Processes · Heat treating
    “Other Services: Gear cutting Welding Laser Engraving 3D Printing Heat Treating Finishing”
    four-tech.com
  • Processes · Deburring and finishing
    “Heat Treating Finishing”
    four-tech.com
  • Materials · Tool steel
    “M2, S7, L2, D2, A2”
    four-tech.com
  • Materials · Nickel alloys
    “Inconel, Monel”
    four-tech.com
  • Materials · Stainless steel
    “SS17-4, SS303,304,316”
    four-tech.com
  • Materials · Carbon steel
    “HRS, CRS”
    four-tech.com
  • Materials · Copper, brass and bronze
    “Brass, Bronze”
    four-tech.com
  • Materials · Aluminum
    “Aluminum”
    four-tech.com
  • Industries · Aerospace
    “complex 5-axis Aerospace parts”
    four-tech.com