Adopts international 45# high quality steel (JIS: S45C, ASTM: 1045, 080M46, DIN: C45), produced with special manufacturing technology, high precision and fine quality.

Being able to joint HRB335 and HRB400 grades ribbed rebar with dia. 16 to 40mm.

There are standard type, right and left thread type and transition type 3 series and more than 50 varieties of products. Being able to satisfy rebar splicing demand of horizontal, vertical, slant and any position.