mental building material threaded steel rebar coupler

Introduction
Model number D12-D50
Raw material 45# high quality carbon steel or 40Cr
Thread parallel thread
Thread Pitch 2.5mm, 3.0mm, 3.5mm
Thread angel 60/75
Certification ISO9001
Standard JG/T163-2013
Outer diameter 22mm-59mm
Length 40mm-90mm
Customizde remark available
Type left-handed, right-handed, reduce, etc
Application connecting steel rebars in construction
Tensile Strength 100% bar break more than 600Mpa
Technics cold extrusion or upset