Highly Expandable & Precision Oriented

FP-21T is designed for “Processing Accuracy”. With various options and versatile software functions, FP-21T is suitable not only for typical PCB prototyping but also for processing thin materials, various hard and soft materials, 2.5 Dimensional work, additional work and other works.



Is it so special to be able to use 0.1mm RF milling bits?

Yes, indeed.
To ensure desirable RF characteristics, it is necessary to use special RF milling bits to cut RF boards. This type of tools have cylindrical tip as shown in the picture shown below. As you can, 0.1mm RF milling tool has very thin cylindrical tip, and is very flrangible compared to a standard milling bit.

For typical board making, milling bits with pointed conical tip (“typical bit” shown below) are commonly used. This type of cutter is useful for making standard boards quickly in quantity because it is thick and strong. However, it is not desirable to cut 0.1mm patterns for RF boards with conical tipped bits because the channel cross section becomes trapezoidal.

In order to use an 0.1mm RF milling bit, the machine has to minimize the vibration of its mechanism and the spindle motor and runout.

In the words…
If a prototyping machine is capable of using 0.1mm RF milling bits, that machine must be high performance.

FP-21T is designed for highly right machine construction and has a high performance spindle motor with very low runout (within 20µm). Furthermore, this motor uses ceramic bearings for longer service life.

FP-21T model 60

We recommended FP-21T model 60 for those who are interested in processing high load material in quantity or for long hours. Thanks to its spindle motor construction, model 60 is better suited for processing heavy load materials compared to model 40/U.

You can process many materials besides cupper substrate board

FP-21T is compatible with the various types of processing besides the normal substrate board.
The Z axis stroke is large enough and numerical controllable, so it is suitable for the surface processing of the thick material.
Additionally, the air pressure model (FP-21T HP) can process the material in non-contact way, you can process the soft materials without scratching the surface.

Application example of FP-21T user

  • Besides the cupper substrate board, plastic resin, aluminum, free-machining ceramic
  • Surface processing of the thick material
  • Supplementary processing
  • For routing processing
  • Large size antennae board processing (custom-made)


Fiducial positioning camera

Zoom the surface board at 30 times magnification, and you can align the positioning easily and accurately. It is also effective for the supplemental processing of the finished board.

Vacuum table

The porous plastic resin aspirate the substrate board evenly. This equipment can fix the thin material or film without misalignment or warping.

Non-Contact Milling Head

As the board is pressured by air pressure, it leaves no undersirable traces on the board surface.
Suitable for milling the soft substrate board such as teflon circuit board.

(By attaching the non-contact milling head to the FP-21T, “HP” will added to the model name; FP-21THP. )

Non-Contact Board Making & Contact Board Making

When making boards with fine patterns, we usually adopt the incremental milling method in which the material board is held down and the tool tip is made to stick out accurately from the very point where the board is being held down. For holding down the material boards, there are two methods called the contact method and the non-contact method.

Contact Board Making System

This system leaves the thin trace of pivot touch on the surface of copper foil.
(But this pivot does not leave any scratch.)

Non-Contact Board Making System

As the jet of air pushes down the board without touching, this system leaves no trace on the copper foil. Therefore, this system is suitable for the processing of thin or soft board materials. However, additionally you have to have an air compressor.


Minimum pattern width (mm) 0.1 (4 mil)
Minimum milling width (mm) 0.1 (4 mil)
Working area (X/Y/Z) (mm) 350 x 250 x 25*8
(14″ x 10″ x 1″)
Table size (X/Y) (mm) 460 x 450 (18″ x 18″)
Control axis X, Y, Z
Control motor 5 phase stepper motor
Resolution (µm) *3 4 (0.16 mil)
Maximum Travel Speed (mm/sec.) *1 80 (3.15″)
Spindle speed (min-1)
Spindle motor
5,000 – 40,000 (model 40)
5,000 – 60,000 (model 60)
5,000 – 100,000 (model 100)
HF Spindle
Drilling (mm) 0.2 – 3.175 (8 – 125 mil)
Maximum drilling cycle (cycles/min.) *2 80
Maximum drilling stroke (mm) 30 (1.18″)
Tool change Manual / Single step tool change
Milling method Absolute Manual switching
Incremental Yes
Compressed air (Mpa) 0.5 (required for HP type)
Power consumption 100 / 240V, 50-60Hz, 250VA
Machine dimensions
W x D x H (mm)
620 x 505 x 420
(24″ x 20″ x 17″)
Machine weight (kg) Approx. 42 (93 lbs)
Interface One USB or RS-232C port
(Additional USB required with optional fiducial camera)
Standard equipment Software: EASY CAD, Conversion + CAM
Options and accessories Fiducial positioning camera 30x
Vacuum table (VT-ABS)
Dust proof, Acoustic cabinet
Tool protrusion equipment
Ring-setter/ Precision ring-setter (manual)
Drilling ring
Connecting Cable (USB)
Vacuum cleaner
Starter kit
Connecting Cable (RS232C)
Magnifying glass 10x
Extention hose for Vacuum cleaner

Tools: End mills
Drill bit
Router bit


Acrylic work with FP-21T

Cut out letters on an Acrylic board.
Please note how smooth the machined surface is.


Even circular pieces can be made as nicely as this.

Once you get used to use FP-21T, you can cut plastics and acrylic materials as beautifully as these.

  • Puzzle


  • Name Plate


  • Speaker Cover


Cutting aluminium material

Worked on 10mm thick aluminium plate.
Complicated 2.5 Dimensional shape such as a pyramid shape shown here
can be automatically made with Design Pro’s step milling function.

Customer Reviews

Suhr Guitars


Purchasing a MITS router required a lot of consideration being it is not a small expense.

Receiving prototypes from a board house with minimum quantities has always been a deterrent to coming up with new ideas.

Other methods of prototyping have always been difficult and amateurish at best with poor results.
With my MITS router the door of creativity has opened up.
This allows me to cut prototype PC Boards that are high quality.

I even use these prototype boards in custom ordered amplifiers and circuits where I only need a small quantity. The MITS router has energized me to develop new product.

It is one on the best purchases I have made and makes me feel excited to come to work!

My new amplifier would never have made it to our critical trade show this year if I didn’t have this valuable tool to make the PCB shown below.


Musen Service Ltd

In our company, we develop a lot of systems using the wireless application on demand of our customer. In the process of the development, we need to fabricate the special order item as well as validation of the circuit. Those works take long if we do outsourcing.
Then we found out the easy to use, and able to process both the substrate boards and other Materials, which was MITS machine.

The machine able to process the thick and hard materials

Following features made me decide to buy MITS Controllable Z axis

  • Employing the high torque spindle motor
  • High rigidity of the machine
  • Compact table size

Remote control, disaster information communication, Satellite phone, Electric transmission system, Various trial products

We are very satisfied with this machine. Processing the material is fun, and This machine is indispensable for both me and our company (Musen service Ltd. Mr. Akahori)


Works of Musen serivice

Double sided board

The tip of soldering is to coating the green resist spray and solder before it dries.
You can easily solder without scraping the resist because the resist move over by heat.

Acrylic processing

Processing of the character panel

Frame for the LED light

LED Light: 4 layers of Acrylic boards. (With Aluminum Cutter)

Processing of the polyacetal parts

Processing of Aluminum engraving bit

Supplemental processing

Semiconductor test substrate board; Spot facing of the board




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