The first B is the processing technology (rib rolling type straight thread sleeve)

The second B is the standard type of coupler(if it is F, means it is the positive and negative type coupler; if it is Y, it is the different-diameter type coupler, which is usually called the variable-diameter type and they are listed on page 5 of the JG/T 163-2013 national industry standard)

"4" is HRB400/HRB400E hot rolled ribbed steel bar.

"25" is the steel bar model.

GLUS refers to the manufacturer's unique logo or trademark.

2007 refers to the batch number of the current batch of sockets (it changed annually or quarterly)

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.