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2018 New Automatic High Speed Thread Rolling Machine for Bolt>
**Product Specifications:**
- **Model No.:** 40
- **Performance Classification:** Economical CNC Machine Tools
- **Condition:** New
- **Trademark:** KW
- **Transport Package:** Plastic Film or Wooden Case
- **Specification:** 1200 * 650 * 1000 mm
- **Origin:** Hebei, China
- **HS Code:** 8463300000
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**Description:**
The Reinforced Straight Thread Rolling Machine comes in seven models: 40, 40B, 40B2, 40C, 40G, 40G2, and 50B. Designed with a rational structure, it is easy to use and maintain, allowing tool replacement in just 5 minutes. The machine features an automatic opening and closing mechanism, enabling the steel bar to be clamped in one go and the wire to be completed in 30 seconds, making it highly popular in the market.
The rolling process ensures high precision in steel wire head production, achieving a 100% pass rate. The strength of the wire head exceeds that of the base material without cutting it, ensuring superior quality. It can process HRB335 and HRB400 grade ribbed bars with diameters ranging from φ12mm to φ50mm.
Approved by the Provincial Construction Engineering Quality Supervision and Inspection Center, it meets the JGJ07-96 A-level joint standards. Available in standard, positive/negative thread, and different diameter types, there are 52 varieties to choose from, meeting all requirements for same-diameter, different-diameter, adjustable-length, and directional connections in any part of a building structure—horizontal, vertical, or inclined.
Key components include:
- **Rolling Wheel:** φ16–φ22 for straight thread steel wire heads
- **Rolling Die (No. 2):** φ25–φ32 for straight thread steel wire heads
- **Rolling Die (No. 3):** φ36–φ40 for straight thread reinforcing wire heads
- **Stripping Knife:** 8x24x25 for removing longitudinal and transverse ribs
- **Measuring Tool:** φ16–φ40 for inspecting wire head quality
- **Work Wrench:** 32/40x75 for tightening rebar joints
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**Manual & Automatic Type:**

This machine is ideal for professionals looking for efficiency and reliability. It uses hydraulic feed systems and can handle up to 40mm diameter rebars, making it suitable for both round and ribbed bars. Fast operation, easy adjustment, and a user-friendly design make it a preferred choice in steel processing plants.
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**Pneumatic Automatic Type:**

Designed for high-speed performance, this model is equipped with advanced technology and a compact structure. It allows for quick adjustments, with wire size settings taking only 2 minutes and tool replacement in 5 minutes. The spiral angle design improves operational efficiency and reduces labor effort, while also saving on consumables like rollers and blades.
It can process HRB400 and HRB500 grade ribbed bars with diameters ranging from φ16mm to φ40mm, making it versatile for various construction applications.
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**Bar Upsetting Machine:**

This full-automatic hydraulic rebar head piling machine uses advanced hydraulic systems and electric structures. With a single button press, the entire upsetting process is completed in one step, offering high precision and consistent quality. It operates at ultra-high pressure (80MPa), low flow (5.42L/min), and low power consumption (4KW).
The cold upsetting process increases the diameter of the steel bar by 4–6mm, resulting in a larger cross-sectional area after threading, significantly improving tensile strength. This type of joint has been tested and is suitable for construction, road, bridge, high-speed rail, and power station projects.
Simple to operate, it requires minimal training, and is well-received by operators due to its ease of use and efficiency.
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**Contact Us:**
If you're interested in our products, feel free to contact us for more information.
**Tel:** +86-13180017097