The rebar straightener is an essential machine in the construction and steel processing industries. It is mainly used to straighten and process coiled or bent steel bars into uniform, straight lengths for further cutting, welding, or construction use. Whether you’re dealing with small-diameter rebars or heavy steel rods, a rebar straightening machine ensures high precision, fast operation, and consistent product quality.

steel bar straightening machine
steel bar straightening machine

Why You Need a Rebar Straightening Machine

In modern construction and steel fabrication, precision and efficiency matter. Coiled or bent rebars can’t be used directly for reinforcement; they must be straightened first.

That’s where a rebar straightener comes in — it turns tangled coils into perfectly straight, ready to use steel bars. Choosing a reliable rebar straightening machine ensures smoother operations, consistent quality, and lower labor costs.

Raw Materials & Finished Products of Our Rebar Straightener

The steel bar straightening machine is designed to handle various raw materials such as:

  • Coiled rebars (6-25 mm)
  • Deformed or bent steel rods
  • Round metal bars and wire rods

After straightening, the finished products feature:

  • Smooth, uniform surface without deformation
  • Accurate cutting length (commonly 500-2000 mm)
  • Ready for welding, construction, or reprocessing

These finished bars are ideal for reinforced concrete, structural steel production, and manufacturing industries.

How the Rebar Straightener Works

Inside the rebar straightener machine, the steel bar passes through a set of precisely arranged rollers that rotate at high speed.

Each bar is corrected multiple times (typically 5-6 holes, 20 passes per cycle) to remove twists and curves.
The bar straightening machine then automatically feeds the bar into a cutting unit, where it is cut to the preset length.

schematic diagram of the working principle of a rebar straightener
schematic diagram of the working principle of a rebar straightener

The process is fully automatic — combining straightening, measuring, and cutting in one continuous operation. This not only improves accuracy but also boosts productivity for steel processing lines.

Multiple Bar Straightener Machine Models Available

Our rebar coil straightening machine offers multiple models to fit different rebar diameters and production needs. We can also provide customized straighteners for your needs. (Please feel free to contact us)

ModèleStraightening Diameter(mm)Straightening HolesLongueur de coupe (mm)Motor Power(kW)Machine Weight(kg)Machine
Dimension (mm)
ET-6-106-105 holes*20 passes500-200045701100*720*1150
ET-6-146-145 holes*20 passes500-200057301200*790*1220
ET-8-168-165 holes*20 passes500-200057501250*820*1300
ET-14-2514-256 holes*20 passes500-2000159801550*890*1600

Custom configurations available for larger diameters or specific steel materials.

multiple models of rebar straightening machines in stock at the factory
multiple models of rebar straightening machines in stock at the factory

Why Quality Matters — Good vs. Poor Straightening Machines

Not all rebar straighteners are built the same.

Poor-quality machines often lead to bent results, rough surfaces, frequent downtime, and inaccurate cutting — wasting raw materials and increasing maintenance costs. By contrast, a high-quality steel rod straightening machine delivers:

  • Perfectly straight bars with clean, smooth surfaces
  • Consistent cutting length with minimal waste
  • Stable operation and long service life
  • High working speed and precision rollers

That’s why professional builders and steel processors choose our hydraulic rebar straightener — engineered with durable rollers, heavy-duty frames, and precision control systems.

Our Quality and Service Commitment

At EFFICIENT, we design every metal bar straightener machine for performance and reliability.
We promise:

  • Stable operation and tested quality before delivery
  • Custom-built solutions for your steel bar sizes and output needs
  • Fast worldwide shipping and complete documentation
  • Technical guidance & spare parts support

Our goal is to help customers achieve higher efficiency, better quality, and long-term reliability.

Typical Applications of the Steel Bar Straightening Machine

The round bar straightening machine is widely used in:

  • Construction and rebar processing plants
  • Steel fabrication workshops
  • Precast concrete production lines
  • Scrap metal recycling centers

It’s ideal for straightening mild steel, deformed rebar, round bars, and metal rods.

Conclusion

A rebar straightener is an essential investment for any steel or construction business. With a hydraulic rebar straightening machine, you can produce uniform, accurate, and smooth bars — faster and with lower costs.

Please feel free to contact us. Choose our steel bar straightener to secure long-lasting performance and professional support!