Threaded rebar coupler also called straight threaded rebar coupler and rebar connectors, its specifications are: M12, M14, M16, M18, M20, M22, M25, M28, M32, M36, M40.

Here we will introduce you the difference between national standard threaded rebar coupler and non-standard threaded rebar coupler.

The national standard threaded rebar coupler has a clear stencil, while the non-standard coupler does not have the stencil, and the price is lower.Also the non-standard coupler has thinner outer diameter and short length compare to national standard coupler. The most commonly used straight threaded rebar coupler is HRB400, and there are also HRB500 for engineering.

Changsha DLADTO Rebar Splice Co., Ltd is a professional rebar coupler producer, we have been in this field for a long time with customers for all over the world. If you have any inquiry, welcome to contact us.