Rebar connection is one of the most time-consuming tasks on any construction site. Traditional lap splicing wastes steel and requires extra material. Manual threading is slow and inconsistent. Welding needs skilled labor and creates fire hazards. For contractors processing large volumes of rebar, these problems add days to project timelines and thousands to material costs. A roller threading machine for sale from YG Machinery solves these problems. It peels ribs and rolls precision threads on rebar ends in a single operation. The cold rolling process strengthens the thread without cutting the parent metal. One machine processes 5- 80 mm rebar with consistent quality every time.
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Roller Threading Machine for Sale: Complete Product Specifications
We offer three models of this equipment. Each one processes rebar from 16mm to 40mm diameter. The table below shows the full specifications.
| Parameter | YGS-40 | YGT-40 | YGA-40 |
|---|---|---|---|
| Processing Diameter Range | 16-40mm | 16-40mm | 16-40mm |
| Thread Rolling Length | 0-80mm | 0-80mm | 0-100mm |
| Power Voltage | 4KW/380V 50Hz | 4KW/380V 50Hz | 7.5KW/380V 50Hz |
| Working Efficiency | 15s/forming | 8s/forming | One-touch auto forming |
| Machine Weight | 320kg | 350kg | 400kg |
| Machine Size | 115×50×106cm | 110×60×130cm | 126×70×106cm |
| Type | Standard Type | Upgrade Type | Full Automatic Type |
The YGS-40 is the standard entry-level model. The YGT-40 offers faster processing at 8 seconds per thread. The YGA-40 provides one-touch automatic forming for maximum productivity. We provide free application advice based on your daily rebar processing volume.
Need Processing Outside 16–40mm? > Standard models cover 16–40mm rebar, but if you need to process other rebar sizes (5–80mm), we also offer customized machine models to match your site requirements.
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What Is a Rebar Coupler Machine and How Does It Work?
A rebar coupler machine prepares rebar ends for mechanical splicing. The process happens in two steps. First, the machine peels the transverse and longitudinal ribs from the rebar end. This creates a smooth cylindrical surface. Second, three hardened rolling dies cold-form the thread onto the stripped section.
The cold rolling process differs from cutting. It displaces and shapes the metal under high pressure. This increases surface hardness and mechanical strength. The resulting thread has higher strength than the parent metal.
The machine uses a self-centering clamping structure. Operators clamp the rebar, then the machine turns the head and axially feeds to complete the thread processing. Each cycle takes 8-15 seconds depending on the model. The process does not destroy the bottom diameter of the base material.
Rebar Thread Rolling Machine Working Video
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What Makes a Rebar Processing Machine Different?
A rebar processing machine from YG offers distinct advantages over traditional methods. Here is what buyers get.
- 1. High-precision threads. The machine produces threads that match mechanical coupler requirements precisely. No mismatched threads. No cross-threading issues.
- 2. Fast processing speed. The YGT-40 completes each thread in 8 seconds. The YGA-40 offers one-touch automatic forming. Traditional manual methods take minutes per thread.
- 3. Stronger threads. Cold rolling increases the fatigue strength and torsional strength of the workpiece. Rolled threads have higher strength than cut threads.
- 4. Lower material waste. Threading saves at least 20% of expensive rebar compared to conventional lap splicing. Less steel waste means lower project costs.
- 5. Easy operation. No skilled technicians required. Workers become proficient after simple training. The machine handles both HRB335 and HRB400 rebar.
- 6. On-site mobility. The machine is designed for construction site use. Compact size and reasonable weight allow easy movement between work areas.
Thread Rolling Machine Maintenance: 6 Essential Practices
Thread rolling machine maintenance keeps your equipment running reliably. Here are the key practices.
- 1. Use the correct coolant. The cooling liquid must be water-soluble emulsified coolant. Never use oily coolant or ordinary lubricant. Never roll threads without coolant.
- 2. Check roller wheels regularly. Inspect the roller wheels for wear. Replace them in time to ensure product quality. Clean the surface of the rollers regularly.
- 3. Clean slideways and sliders. Clean and oil slideways and sliders regularly. Remove iron filings after processing.
- 4. Clean the coolant tank. Clean the cooling liquid tank once every half month. This prevents contamination and maintains cooling efficiency.
- 5. Refuel the reducer. Maintain the specified oil level in the reducer. Regular refueling extends gear life.
- 6. Check electrical components. Inspect switches and control panels for faults. Repair or replace damaged parts promptly.
What Can a Roller Threading Machine for Sale Do?
A roller threading machine for sale from YG finds use across many construction applications.
- High-rise buildings. The steel bar rolling straight thread connection technology suits industrial and civil buildings. It works for strong, oblique, and horizontal steel bars in important structural parts. The process is simple and quick.
- Bridge projects. Rebar thread rolling connection is widely used in bridge construction. This is especially true where large numbers of same-specification rebars need connection.
- Infrastructure projects. The machine supports complex construction requirements while maintaining alignment with modern construction methodologies. It is particularly valuable in large infrastructure projects where consistent rebar preparation impacts overall timelines.
- Precast concrete operations. The process can be prefabricated. No open fire operation is required. No explosion hazards exist. Construction can proceed all day.
- Tunnel construction. The mobility and ease of operation make the machine suitable for underground structures such as tunnels.
A Real-World Case: Dubai Contractor Boosts Output by 40%
In 2024, a leading construction contractor in Dubai acquired the YGA-40 automatic roller threading machine from YG Machinery for a high-rise residential project requiring over 5,000 rebar splices. Previously relying on manual threading—which took 2 to 3 minutes per thread with a 5% failure rate—the team needed a faster, more reliable solution to meet tight project deadlines.
After just one day of training, the YGA-40 was fully integrated into daily operations. The project achieved outstanding operational results:
- Zero Quality Defects: 100% pass rate on third-party mechanical tensile tests across all 5,000+ splices.
- 40% Output Increase: Thread processing time dropped from minutes to just seconds per rebar end.
- 6-Month ROI: Labor savings and eliminated material rework covered the machine’s initial cost.
— Project Operations Director, Dubai Infrastructure & Housing Project
“Upgrading to YG Machinery’s YGA-40 eliminated our site bottleneck. The automated one-touch operation allowed our crew to process threads twice as fast with zero quality rejections. It paid for itself faster than any other equipment we purchased this year.”
FAQ About rebar thread rolling machine
The cold rolling process displaces metal rather than cutting it. This increases surface hardness and mechanical strength. Rolled threads have higher strength than the parent metal.
Yes. The machine processes HRB335, HRB400, and HRB500 hot rolled ribbed reinforced bars. Processing diameter range is 16- 40 mm.
The YGS-40 and YGT-40 roll threads up to 80mm. The YGA-40 rolls threads up to 100mm.
Weekly maintenance takes 20-30 minutes. Check roller wheel condition. Clean slideways. Inspect coolant levels. Lubricate moving parts.
All models run on 380V, 50Hz three-phase power. The YGS-40 and YGT-40 use 4KW motors. The YGA-40 uses a 7.5KW motor.
Ready to Choose Your Roller Threading Machine for Sale?
We offer free consultation and production planning. Whether you need standard processing or customized solutions for 5–80mm rebar sizes, our team is ready to deliver the right machine for your project.
Three ways to move forward:
- Request a quote – Get pricing within 8 hours.
- Watch a test run – See the machine processing your specific rebar size.
- Visit our factory – Meet our engineering team in Zhengzhou.
Contact YG Machinery today via WhatsApp, email, or the website form. Every machine includes a warranty and remote support.【WhatsApp/WeChat/Phone】+86 183 3715 2861
