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This is one kind of our standard mechanical rebar coupler, it belongs to upset forging parallel thread system. The table is The Parameter For Standard rebar coupler
Steel bar Dia(mm) | 12 | 14 | 16 | 18 | 20 | 22 | 25 | 28 | 32 | 36 | 40 |
out Dia of Coupler (mm) | 20 | 22 | 26 | 29 | 32 | 36 | 40 | 44.5 | 50 | 56 | 62 |
Inner Dia of Coupler (mm) | 11.9 | 13.9 | 17.4 | 19.4 | 20.9 | 23.9 | 26.3 | 29.3 | 31.8 | 34.8 | 40.3 |
Length of Coupler (mm) | 30 | 34 | 40 | 44 | 48 | 52 | 60 | 66 | 72 | 80 | 90 |
Size of Thread (mm) | M14* 2.0 | M16* 2.0 | M20* 2.5 | M22* 2.5 | M24* 3.0 | M27* 3.0 | M30* 3.5 | M33* 3.5 | M36* 4.0 | M39* 4.0 | M45* 4.0 |
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