Skip to content

Reinforcing Bar Couplers

Coupler Selection

The information in the chart below can be used to assist with the identification of the most appropriate coupler. For more detailed information please select a range from the menu.

Please note, this section is subject to change and you are advised to contact your local sales office to discuss any project-specific requirements.

RT Couplers

Type Standard Coupler Headed Anchor KSN Anchor
Bar Dia. mm 12-40 12-40 12-20
Bar End Prep Threaded Threaded Threaded
Assembly Tool Wrench Wrench Wrench
Product Code RT12-40 RTHA12-40 RTKSN12-20 S/M/L

MBT Couplers

Type Coupler Transition Headed Anchor
Bar Dia. mm 12-40 12-40 12-40
Bar End Prep No No No
Assembly Tool Wrench or *Nut Runner
Product Code MBT12C-MBT40C MBT20/12C-MBT40/32C MBTHA12H-MBTHA40H

*Although larger 25-40mm sizes can be tightened using a hand ratchet wrench, we recommend the use of an electric or pneumatic wrench designed to deliver a steady tightening force to the bolts.

Latest News

Holiday Closing 2026

Our offices will close from Thursday, 25th December 2025 and re-open at our usual business hours on Monday, 5th January 2026.

Ancon 500 Tension System renamed to Halfen Detan-D

As a future-oriented, innovative company, Leviat focuses on the ever-changing requirements of the industry, and our latest development combines the portfolio of Ancon and Halfen Tension Systems to ensure we meet the individual requirements of our customers.