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Boring and surfacing complex PIONER RNK is designed to restore worn out holes. It allows not only boring, but also surfacing. The work is done in three stages:

1. Boring a worn hole to eliminate ellipse.

2. Surfacing to restore the metal layer.

3. Final boring to the required size.

 The machine is mobile, so all work can be done at the location of the special equipment.


  • Boring diameter - 36-200 mm
  • Surfacing diameter - 36-200 mm
  • Boring bar diameter - 30 mm *
  • Boring bar length - 1200 mm *
  • Boring bar working stroke - 400 mm
  • Surfacing rod diameter - 30 mm
  • Surfacing rod length - 1200 mm
  • Working stroke of surfacing rod - 400 mm
  • Maximum boring depth - depends on the length of the boring bar
  • Machining precision - H7
  • Boring drive - electric drill Rebir 2 kW
  • Feed rate control - from 0 to 5.0 mm / s
  • Rotation speed - depends on the characteristics of the electric drive
  • Spindle reverse - yes
  • Drive power supply - 220 V, 50 Hz
  • Feed regulation - stepless stepless
  • Semiautomatic welding machine - inverter type 220 V, 190 A
  • Roughness - 1.6 Ra

* At the request of the customer, it is possible to install a boring bar of any size


  • Pioneer machine - 1 pc. control unit - 1 pc.
  • Control panel - 1 pc.
  • Boring bar - 1 pc.
  • Surfacing rod - 1 pc.
  • Electric drill - 1 pc.
  • Semiautomatic welding machine - 1 pc.
  • Boring cutter - 1 pc.
  • Carbide plate - 10 pcs


The Sarmat company has been producing mobile boring and surfacing machines since 2016. Own production and many years of experience help to produce accurate and high-quality equipment. During this time, the equipment of the Sarmat company was sent to all regions of Russia, as well as to Kazakhstan, Belarus, Ukraine and Estonia.

When choosing Sarmat machines, be sure that we:

- We will manufacture and assemble this equipment in our workshop.
- We will send a machine ready for work, equipped with all necessary equipment and tools.
- We will finalize the machine to your needs in just 3 days.
- We will promptly send the machine, since all the equipment is in stock.
- We will offer a convenient form of payment for you.
- We will provide a 1-year warranty for the machine and post-warranty service.
- We will train you to work on the machines for free and back it up with a certificate.
- We will consult for free during the entire period of cooperation.
- We will offer additional equipment at a bargain price: cutters, plates, stands, drills, measuring tools, etc.
Every day we work to make the equipment even better and more affordable for customers. And we are proud that our machines are highly appreciated at industry exhibitions and competitions.

When buying from 2 pieces individual discounts are provided!

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