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MBT (Mechanically Bolted Tension) coupler is a mechanical connector used in reinforced concrete construction to join reinforcing steel bars (rebar) end-to-end without requiring threading or rotation of the bars.
MBT coupler is designed for efficiency, reliability, and structural integrity, particularly in situations where reinforcing couplers is already fixed in place or space is limited, making traditional lap splicing or hydraulic pressing impractical.
| Rebar Size | Outside(mm) | Length (mm) | Bolt Qty | Bolt Size | Net Weight (kg) |
| 12mm | 35 | 127 | 6 | M14 | 0.616 |
| 16mm | 40 | 159 | 6 | M14 | 0.921 |
| 20mm | 45 | 191 | 8 | M14 | 1.42 |
| 22mm | 50 | 273 | 10 | M16 | 2.32 |
| 25mm | 55 | 311 | 10 | M16 | 3.51 |
| 32mm | 65 | 396 | 10 | M21 | 5.96 |
High-Grade Materials
S45C/40Cr steel ensures superior strength and corrosion resistance.
Seismic Performance
As a reinforcement coupler joint, the MBT coupler is fatigue-resistant for high-performance in seismic zones.
Certified Compliance
Meets ISO 15835, 9001, and CCC standards.
Broad Applications
MBT coupler is ideal for precast concrete, bridges, tunnels, and industrial structures.
In airport connection Bridges or high-rise beams, bolt couplers are used to connect reinforcing bars to structural steel plates, enhancing shear strength and supporting load transfer, which is suitable for environments with limited on-site access.
The MBT coupler is required to be installed quickly and have excellent seismic performance, enhancing the safety of the steel bar connection structure in airports.
MBT couplers have advantages in projects that require connections in confined Spaces.
