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Rebar Couplers

Rolling Straight Thread Rebar Coupler

The Rolling Straight Thread Rebar Coupler System stands as the industry benchmark for high strength coupler applications. This rebar splices and coupler system is engineered to deliver unmatched performance in structural reinforcement splicing. As a leading manufacturer, Tenjan provides this position rebar coupler solution designed for simple, precise, and robust installations. It ensures flawless reinforcement continuity for projects ranging from high-rise cores to critical infrastructure, performing reliably under diverse environmental stresses. Our High Strength Coupler products [Rolling Straight Thread Coupler: For Precision Rebar Splices] comply with global standards like JGJ 107 and ISO 15835, offering a perfect blend of ultimate tensile performance and unrivaled construction efficiency.

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Structural Design & Precision Engineering

 

  The excellence of our rebar splices and coupler system lies in its simplicity and precision. The core component is a high-strength forged steel coupler with internal parallel threads rolled to exacting tolerances. This position rebar coupler is designed to create a perfect full-thread engagement with the pre-threaded ends of rebars. This pure mechanical splice ensures direct axial load transfer, relying on the integrity of the threaded connection without any fillers or adhesives. The design of this high strength coupler maximizes the inherent material capacity of the rebar, making it the most reliable and efficient splicing method available.

 

Performance Advantages & Core Benefits

 

  Choosing our Rolling Straight Thread Coupler translates into significant project advantages. Its foremost benefit is providing a truly high strength coupler connection that consistently achieves 100% of the rebar's tensile strength. This makes it an ideal rebar splices and coupler solution for seismic and dynamic load applications. As a precise position rebar coupler, it allows for accurate reinforcement alignment and offers exceptional long-term stability with zero risk of vibration loosening. The system guarantees consistent, verifiable quality in every splice, enables dramatic installation speed, and provides superior durability in corrosive environments, delivering outstanding value and performance.

 

Applications & Industry Solutions

 

  This versatile rebar splices and coupler system is fundamental across the construction spectrum. It is the preferred high strength coupler for vertical column splices in skyscrapers and shear wall connections. In infrastructure, it serves as a critical position rebar coupler in bridge piers, tunnel linings, and dam structures. The industrial and energy sectors rely on it for nuclear plant containment and heavy industrial foundations, where reliable rebar splices are non-negotiable. Its adaptability for precast concrete connections and general commercial use underscores its status as a universal, high-performance splicing solution.

 

Tenjan's Commitment: Quality & Service

 

  Tenjan elevates the standard rebar splices and coupler into a guaranteed system. As a source factory, we control every step, ensuring each high strength coupler meets rigorous specifications. Our expertise provides complete technical support, from selection to installation guidance for this precision position rebar coupler. We offer full certification packages and custom solutions, ensuring reliable supply, competitive pricing, and professional partnership for all your critical rebar connection needs.

 

Reliability & Environmental Suitability

 

  Engineered for permanence, our high strength coupler system exhibits exceptional environmental resilience. It performs consistently in temperature extremes, high humidity, and chemically aggressive settings. The all-metal, mechanical connection of this rebar splices and coupler is inherently corrosion-resistant and maintenance-free. This makes our position rebar coupler ideal for marine environments, transportation infrastructure, and structures in active seismic zones, ensuring lifelong structural integrity and total project confidence.

 

  By integrating precision engineering with robust manufacturing, Tenjan's Rolling Straight Thread Rebar Coupler System delivers more than a splice—it delivers certainty. It is the definitive choice for high strength, reliable rebar splices and coupler applications worldwide.


Product Specifications
ParameterKey Features 
Product Name

Rolling Straight Thread Rebar Coupler,Upsetting Parallel Thread Rebar Coupler,Cold Extrusion Press Rebar Coupler,Taper Thread Rebar Coupler,Customized Special Shape Rebar Coupler,Bolted Rebar Coupler

MaterialCarbon Steel ASTM 1045 (45#) / Alloy Steel ASTM 5140 (40Cr)
StandardComply with Chinese standard JG/T 163-2013 Couplers for Rebar Mechanical Splicing, Amercian standard ACI318 ACI349, British standards BS8110, French standard NF35-20-1, German standard DIN1045, ISO 15835 and other relevant standards.
Used for rebar GradeBS 4449, B500, JG/T 163-2013, HRB 400, HRB 500, HRB600, ASTM A615 Grade 60/Grade 75
SizeSuitable for rebar size from 16mm to 32mm
Thread60⁰/ 75⁰
PackingWooden Case + Carbon Box
CustomizationCustomizing based on required major diameter, pitch of thread, minimum tensile strength and rebar strength


Size of Rebar Coupler


Size of RebarOuter Diameter(mm)Length(mm)Thread(M*P)
Ф162440M16.55*2.5
Ф182745M18.65*2.5
Ф203050M20.65*2.5
Ф2232.555M22.65*2.5
Ф253760M25.65*3.0
Ф2841.565M28.65*3.0
Ф3247.572M32.65*3.0
Ф365380M36.65*3.0
Ф405988M40.65*3.0
Ф5074108M50.65*3.5



Our Rebar Coupler for Mechanical Splicing
  • Upsetting Parallel Thread Rebar Coupler

  • Rolling Straight Thread Rebar Coupler

  • Cold Extrusion Press Rebar Coupler

  • Bolted Rebar Coupler

  • Taper Thread Rebar Coupler

  • Customized Special Shape Rebar Coupler

OEM and ODM Service
  • 1.Raw Material CustomizationOwing the entire seamless steel tube production line, Tenjan can customize rebar couplers starting from tube production according to requirement.

  • 2.Coupler Breaking Force CustomizationBased on being an expert in material properties, Tenjan can design the rebar coupler breaking force based on the rebar standard and grade to save the overall cost for customer.

  • 3.Standards ComplianceIn compliance with ACl318, JGJ107, UBC 1997,BS8110, NF35-20-1,DIN1045,ISO 15835.

  • 4.Size CustomizationDesign and customize according to customers' required major diameter, pitch of thread, Length.

Applications

Tenjan Rebar Couplers are widely used in nuclear power plants, sea-crossing bridges, water conservancy dams, buildings, etc. Exported to over 20 countries across six continents, and have been consistently trusted by global customers.

  • Hangzhou Bay Bridge

  • Indonesia Jatigede Dam

  • Pakistan Kohala Hydropower Station

  • Penang Second Bridge, Malaysia

  • Russian Federation Tower

  • Zemun-Borca Bridge, Serbia

Our Certificates
  • TUV Test for the seamless steel tube(the raw material of rebar coupler)

  • SGS Testing Report(Tensile Test-Slip Test)

  • Certificate-of-Approval

  • ISO-certificate-of-Conformity

Scientific Rigor, Quality Assurance

Every batch of rebar coupler can be traced and guaranteed, following lSO9001.

Production Process
  • Pattern(Tooling) Design

    Roud Bar

  • Wax Injection

    Tube Production

  • Shell Making

    Cutting

  • Dewaxing

    Chamfer

  • Shell Baking

    Machining OD

  • Pouring

    Threading

  • Shot Blasting

    Laser Marking

  • Heat Treatment

    Anti-Rust

  • Heat Treatment

    Package

  • Heat Treatment

    Shipping

  • We Have A Professional Team To Provide Design+ R&D+ Customization + Customer VlP Service

Inspection Process
  • 1

    Raw Materia Identification &Traceability

  • 2

    Seamless Steel Tube Inspection

  • 3

    Seamless Steel Tube Tensile Strength Testing

  • 4

    In-process Size Checking

  • 5

    Coupler Breaking Force Testing

  • 6

    Coupler Threading Checking(WITH GO & NO-GO GAUGE)

  • 7

    Finished Coupler Size Checking

  • 8

    Finished Coupler Surface Checking


Why Global Customers Trust Tenjan Steel Tubes?

Vertical Integration Excellence in Steel Tube Manufacturing
Vertical Integration Excellence in Steel Tube Manufacturing Vertical Integration Excellence in Steel Tube Manufacturing

Vertical Integration Excellence in Steel Tube Manufacturing

One-Stop Precision Tube Production from Raw Material to Finished Product

Material Customization: Alloy Steel & Carbon Steel design & Certified billet sourcing

Integrated Production:Seamless piercing, cold drawing/rolling, heat treatment,Integrated ECT/UT Inspection

Full Process Traceability: Batch-tracked at every production stage
Certified Steel Tubes for Demanding Applications
Certified Steel Tubes for Demanding Applications Certified Steel Tubes for Demanding Applications

Certified Steel Tubes for Demanding Applications

Trusted Quality Backed by Global Standards

Quality Certifications:IATF 16949,ISO 9001,Third-party verified by SGS & TÜV

Material Compliance:ASTM (A519, A106, A179, A192) ,EN/DIN (10297, 2391,1629,10305) ,JIS (G3445/G3444)
Precision-Engineered Steel Tubes • Customized for Your Critical Applications
Precision-Engineered Steel Tubes • Customized for Your Critical Applications Precision-Engineered Steel Tubes • Customized for Your Critical Applications

Precision-Engineered Steel Tubes • Customized for Your Critical Applications

Customized Material Specification | Dimensional Precision | Profile Customization | Performance Enhancement | Flexible Volume Production

> Carbon & alloy steel grades,Custom chemical composition,Full MTC traceability
> OD: 10–108mm (0.39"–4.25") WT: 1–20mm (0.04"–0.79")
> Seamless round tubes,Cold-formed shapes((square, rect., hex. & others)
> Annealed/Normalized,Quenched & Tempered,Surface finishes:Pickled/Oiled
> Small batch: 5 tons MOQ
Total Steel Tube Solutions for Industry
Total Steel Tube Solutions for Industry Total Steel Tube Solutions for Industry

Total Steel Tube Solutions for Industry

Precision Tubes Engineered for: Auto Parts | Mechanical Parts | Agricultural Machinery | Mining Support & Construction | High-Pressure Systems

Technical Support Services: Design Consultation | Material Selection | Testing Validation

Value-Added Processing: Precision Cutting, Chamfering,OD/ID machining, Anti-rust oil, Custom Packaging
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Why Global Customers Trust Tenjan Steel Tubes?

Customizable Alloy and Carbon Steel Grades

Customizable Alloy and Carbon Steel Grades

We offer customizable alloy and carbon steel gra- des to match your project’s exact requirements.

Why settle for generic materials when we can align specifications directly to your application? By focusing on only what you need, we deliver superior cost efficiency without compromising quality—saving you time and resources.

Customizable Alloy and Carbon Steel Grades

Reliable Delivery Capacity

With an annual production capacity of 60,000 tons, we guarantee on-time delivery even for large-scale orders.

Our surplus capacity acts as a safety net, eliminating risks of bottlenecks or missed deadlines—critical for projects with strict timelines.

Customizable Alloy and Carbon Steel Grades

Complete Manufacturing Supply Chain

We offer customizable alloy and carbon steel grades (ASTM, EN, DIN, JIS) to ma- tch your project’s exact requirements.

• Advanced metalworking: Piercing, pickling, heat treatment & cold forming
• Precision verification: Dual NDT (Ultrasonic/Eddy Current) + material testing (Tensile/Chemical)
• 24/7 lab monitoring of 60+ parameters ensuring product consistency

Customizable Alloy and Carbon Steel Grades

Meet Regulatory Standards Compliance

IATF16949: Automotive-grade quality for precision parts.
TS (Pressure Pipe): Safety compliance for critical infrastructure (e.g., pipelines, boilers).
ISO9001: General excellence in process management.
Plus optional third-party validation (TÜV/SGS) for added credibility in regulated markets like aerospace, energy, or medical devices.

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