Introduction Model number D12-D50 Raw material 45# high quality carbon steel; 40Cr Material 45# carbon steel 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 Finish plain/ smooth 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 Technical Parameters 1# Model OD(±0.5mm) Inner Dia(+0.25mm) Length+2mm Thread Pitch(mm) ThreadAngle(°) G/W(kgs) D14 21 21.1 12.55 38 M14.8*2.5P 60/75 0.068 D16 24 23.8 14.50 43 M16.8*2.5P 60/75 0.099 D18 27 26.5 16.35 48 M18.6*2.5P 60/75 0.125 D20 29 29.1 18.45 53 M20.6*2.5P 60/75 0.18 D22 33 32.6 20.35 58 M22.6*2.5P 60/75 0.205 D25 37 36.8 23.15 63 M26.0*3.0P 60/75 0.317 D28 41 40.6 25.95 68 M28.6*3.0P 60/75 0.399 D32 47 46.8 30.15 80 M32.8*3.0P 60/75 0.64 D36 53.5 53.00 33.85 83 M36.7*3.5P 60/75 0.9 D40 58.5 58.50 37.55 88 M40.4*3.5P 60/75 1.099 3# Model OD(±0.5mm) Inner Dia(+0.25mm) Length+2mm Thread Pitch(mm) ThreadAngle(°) G/W(kgs) D16 24 23.8 14.50 38 M16.8*2.5P 60/75 0.087 D18 27 26.5 16.35 43 M18.6*2.5P 60/75 0.114 D20 29 29.1 18.45 48 M20.6*2.5P 60/75 0.165 D22 33 32.6 20.35 53 M22.6*2.5P 60/75 0.189 D25 37 36.8 23.15 58 M26.0*3.0P 60/75 0.297 D28 41 40.6 25.95 63 M28.6*3.0P 60/75 0.397 D32 47 46.8 30.15 73 M32.8*3.0P 60/75 0.579 Packing & Delivery carton case and wooden pallet or customized Delivery Detail: within 7 days after receiving payment Paymant Terms: L/C,D/A,D/P,T/T,Western Union Our Service 1.OEM Service & Design Service & Buyer Lable are offered; 2.Prodece as customers' requirement. 3.We have done official tensile test in Korea, Russia, Saudi Arabia, Vietnam, ect.  4.Our rebar couplers are suitable for steels of different countries Company Information Baoding Jindi Machinery Co., Ltd. is specialized in rebar splicing equipment, rebar processing machinery, rebar coupler and related products. With super quality and satisfactory after-sale service, our products have enjoyed good reputation in the world market. Our products have got through relevant certificatesand testing reports, such as CE, SGS, GOST, etc. And also our company achieved ISO9001certificate.So far, our products have been selling to global market like Vietnam, India, South Korea, Indonesia, Malaysia, Brunei, Philippines, Thailand, UAE, Saudi Arabia, Kuwait, Iran, Kenya, Brazil, Peru, Bolivia, Columbia, USA, Mexico, etc. In the future, we will do our utmost to make work better and perfect, to build up the famous "Jindi" brand in this field.