Steel bar connection 1.Material:carbon steel 2.Easy operation 3.Saving time& rebar material 4.No.45 steel Specifications Steel bar connection 1.Material:carbon steel 2.Easy operation 3.Saving time& rebar material 4.No.45 steel Spec.: 1. Sleeve material: #45 high quality carbon steel 2. Diameter :14~40mm (enough quantity in stock) 3. Carbon sleeve thread pitch:1.75/2.5/3/4 4. Sleeve standard thread angel: 60/75 5. Steel bar sleeve is used to connect two pieces of rebar together. 6. Passed the tensile strength test, the tensile strength is 594mpa, test report canbe supplied as well. 7. The steel bar connecting sleeve has passed iso9001 international quality system, so quality can be guaranteed with no doubt. 8. Types: standard type / left-handed and right-hand type/ reducing type sleeve. 9. We are well-known enterprise in bar connecting field in china. 10.Different spec.Is available as per your requirements, free sample can be supplied for your reference. Contact me We highly appreciate your any enquiry by email, fax or instant message. According to customer requirements