Upset Parallel Threaded Coupler

We are offering upset parallel threaded coupler.
hbly 16mm-40mm rebar coupler
the rebar coupler is used to connect reforcing bars in key and big construction
material of the rebar coupler is no.45 steel
the featrues of the coupler:
.the coupler can link the rebar which diameter from 16mm to 40mm
.the tensile strength of the coupler can be more than 570 mpa
.this kind of connection is more repid and simple convenient
.the coupler could be used in the every orientation of connection of hrb335,hrb400,hrb500 reforcement bars with different dimeters
the parameter of couplers:
size(d): 16,18,20,22,25,28,32,36,40
tread(m):20,22,24,27,30,33,36,39,45
d(mm):26,29,32,36,40,44,50,56,62
l(mm):40,44,48,52,60,66,72,80,90
pitch:16,18(2.5),20,22(3),25,28(3.5),32~40(4)
we could produce and customize the rebar coupler according to different standards both at home and abroad.