Black Rebar Coupler For Upset Forging Parallel Thread Rolling

Changzhou Jianlian Reinforcing Bar Conjunction Co.,Ltd Black Rebar Mechanical Coupler For Upset Forging Parallel Thread Rolling Rebar Specifications: Steel bar diameter(MM) Outer diameter of coupler (MM) Length of coupler (MM) Size of thread (MM) 12 20 30 M14*2.0 14 22 34 M16*2.0 16 26 40 M20*2.5 18 29 44 M22*2.5 20 32 48 M24*3.0 22 36 52 M27*3.0 25 40 60 M30*3.5 28 44.5 66 M33*3.5 32 50 72 M36*4.0 36 56 80 M39*4.0 40 62 90 M45*4.0 100% BAR BREAK Description: JBCZ black rebar