







The Haihui HH4-12S CNC Rebar Stirrup Bending Machine is an automatic steel bar processing machine designed for rebar straightening, feeding, bending and cutting.
It is suitable for construction reinforcement processing, precast concrete production, rebar fabrication plants and other steel processing applications. CNC control helps improve production efficiency, bending consistency and reduce manual labor.
Automatic rebar feeding, straightening, bending and cutting
CNC control system for efficient and consistent production
Suitable for round steel and threaded rebar processing
Single-line and double-line processing capability
Forward and reverse bending from 0–180°
Suitable for producing different stirrup shapes and sizes
Designed to reduce manual labor and improve production efficiency
Stable machine structure for continuous rebar processing
The following technical parameters are based on the HH4-12S machine specification.
| Model | HH4-12S |
| Single-Line Round Steel Diameter | 4–12 mm |
| Double-Line Round Steel Diameter | 4–10 mm |
| Single-Line Threaded Rebar Diameter | 4–12 mm |
| Double-Line Threaded Rebar Diameter | 4–10 mm |
| Stirrup Processing Length | Short side 600 mm; long side less than diagonal 1300 mm |
| Bending Angle | Forward & Reverse 0–180° |
| Single-Line Production Capacity | 1600–1800 pcs/hour |
| Double-Line Production Capacity | 1600–2200 pcs/hour |
| Rated Total Power | 31.5 kW |
| Straightening Motor | 20 kW |
| Bending Motor | 7.5 kW |
| Cutting Motor | 4.0 kW |
| Average Power Consumption | Approx. 5 kWh |
| Machine Weight | Approx. 2200 kg |
| Overall Dimensions | 3400 × 1200 × 2000 mm |
The HH4-12S automatic rebar stirrup bending machine is suitable for:
Construction reinforcement processing
Precast concrete production
Rebar fabrication plants
Steel processing workshops
Automatic stirrup production
Reinforcement component manufacturing
Haihui Machinery manufactures CNC rebar processing equipment in Xingtai, Hebei, China. Machines are assembled, inspected and prepared for delivery at our factory.
Before shipment, the machine can be prepared with export packaging according to transportation requirements. Haihui Machinery supports international container loading and equipment delivery.
Factory Direct Supply: CNC rebar processing equipment supplied directly from Haihui Machinery.
Machine Selection Support: We recommend suitable models according to rebar diameter and production requirements.
Technical Specifications: Detailed machine information can be provided before ordering.
Working Videos: Machine operation and testing videos are available for customers.
Export Support: Packing and international shipping support are available for overseas customers.
Technical Support: Technical consultation is available before and after purchase.
The HH4-12S can process single-line round steel from 4–12 mm and double-line round steel from 4–10 mm. Threaded rebar processing ranges are also available according to the machine specifications.
Yes. The machine integrates automatic feeding, straightening, bending and cutting with CNC control for continuous stirrup production.
Single-line production capacity is approximately 1600–1800 pieces per hour, while double-line production capacity can reach approximately 1600–2200 pieces per hour depending on the processed product.
Please tell us your required rebar diameter, stirrup size, production capacity and destination country. We will recommend a suitable machine configuration.
You may also compare theHH5-13E CNC Rebar Stirrup Bending Machine,HH4-14S CNC Rebar Stirrup Bending MachineandHH6-18S CNC Rebar Stirrup Bending Machine.
Looking for an HH4-12S CNC rebar stirrup bending machine? Tell us your rebar diameter, required stirrup size, production capacity and destination country. Haihui Machinery will provide technical specifications, machine videos and factory quotation.
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Haihui Machinery is a professional manufacturer of CNC rebar bending machines and steel bar processing equipment, serving construction and steel fabrication customers worldwide. Add:Add: Dengqiao Haihui Machine Tool, Tiankou Town, Renze District, Xingtai, Hebei, China. Xingtai Haihui Machine Tool Co., Ltd