The parameters of standard Upsetting couplers :
Size |
Thread |
D(±0.5)mm |
L(±1) mm |
P |
Weight(Kg) |
Φ16 |
M20 |
26 |
40 |
2.5 |
0.09 |
Φ18 |
M22 |
29 |
44 |
2.5 |
0.114 |
Φ20 |
M24 |
32 |
48 |
3 |
0.16 |
Φ22 |
M27 |
36 |
52 |
3 |
0.207 |
Φ25 |
M30 |
40 |
60 |
3.5 |
0.32 |
Φ28 |
M33 |
44 |
66 |
3.5 |
0.398 |
Φ32 |
M36 |
50 |
72 |
4 |
0.62 |
Φ36 |
M39 |
56 |
80 |
4 |
0.875 |
Φ40 |
M45 |
62 |
90 |
4 |
1.138 |
Material of the rebar coupler is No.45 steel.