Rebar coupler features: 1. Our coupler adopts 45c of high quality 2. Splice rebars with dia from 14mm to 40mm in construction. 3. Tensile strength can reach 110% of parent rebar. Provides full load transfer with slimmest and shortest coupers, . 4. Quick and easy to install 5. Kinds: coupler with parallel thread. Coupler with upsetting end. Coupler with taper thread. 6. Types: standard type. Left-handed and right handed type. Reducing type. Application 1. Standard type coupler is designed to splice rebars with same dia. 2. Left-handed&right-handed coupler is designed to splice rebars, which are fixed. 3. Transition coupler is designed to splice rebars with different diameters. Technical specification: 1.Type:14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 28mm, 32mm, 36mm, 40mm 2.Thread angle:75º/60º 3.Length:we have standard length for each type, but we can also make different legnths according to customer's specific inquires 4.Thread pitch:2.5mm, 3.0mm, 3.5mm. Usually packed in woven bag or carton, customer's specifice requirement can also be available.