Rebar Coupler

16: OD: 26mm*Length 40mm Thread: M20*2.5 60° 18: OD: 29mm*Length 44mm Thread: M22*2.5 60° 20: OD: 32mm*Length 48mm Thread: M24*3.0 60° 22: OD: 36mm*Length 52mm Thread: M27*3.0 60° 25: OD: 40mm*Length 60mm Thread: M30*3.5 60° 28: OD: 44mm*Length 66mm Thread: M33*3.5 60° 32: OD: 50mm*Length 72mm Thread: M36*4.0 60° 36: OD: 56mm*Length 80mm Thread: M39*4.0 60° 40: OD: 62mm*Length 90mm Thread: M45*4.0 60°