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Coupler
Reinforcing Bar coupler
Lapped joints are not always an appropriate means of connecting rebar. The use of Reinforcing Bar Couplers can simplify the design and construction of reinforced concrete and reduce the amount of reinforcement required. The strength of a mechanical splice is independent of the concrete which it is located and will retain its strength despite loss of cover as a result of impact damage or seismic event.
Approximate dimensions for upsetting system:
The system utilizes internally threaded couplers with simple threaded and is suitable for applications where the continuation bar can be rotated.


Steel bar Dia(mm)

Metric thread pitch

OD (mm)

Length(mm)

Weight(kg)

12

M14*2.0

22

30

0.043

14

M16*2.0

24

34

0.06

16

M20*2.5

26

40

0.078

18

M22*2.5

29

44

0.106

20

M24*3.0

32

48

0.152

22

M27*3.0

36

52

0.21

25

M30*3.5

40

60

0.295

28

M33*3.5

44

66

0.39

32

M36*4.0

50

72

0.585

36

M39*4.0

56

80

0.865

40

M45*4.0

62

90

1.09

Parameters of rolling splice:
Steel bar rolling stamp straight screw head connection. With professional rolling stamp lathe to roll the end of steel bars, the straight screw is formed at one time. 

Steel Bar Dia (mm)

16

18

20

22

25

28

32

36

40

Adapter sleeve outside Dia 

24

27

30

32.5

39

41

46.5

53

58

Adapter sleeve length

45

50

55

60

65

70

75

85

90

Screw thread specs

M16.5*2.5

M18.5*2.5

M22.5*2.5

M22.5*2.5

M25.7*3

M28.7*3

M32.7*3

M36.7*3

M40.7*3



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