Intl.
Ref.
No.

ROMBO
Chain
No.

Lacing
Pattern

Pitch
(P)

Pin
Dia
(d)
(Max)

Plate
Height
(H)
(Max)

Plate
Thickness
(T)
(Max)

Hole
Dia
(D)
(Min)

Width
Over
Bearing
Pin
(A)
(Max)

Avg.
Weight
Per Metre
(Kg)

Tensile
Strength
(KN)
(Min)

BL 422

BL 08 22

2 x 2

11.00

0.61

22.24

BL 423

BL 08 23

2 x 3

13.10

0.76

22.24

BL 434

BL 08 34

3 x 4

17.40

1.05

33.40

BL 444

BL 08 44

4 x 4

12.700

5.09

12.07

2.08

5.12

19.50

1.20

44.50

BL 446

BL 08 46

4 x 6

23.75

1.49

44.50

BL 466

BL 08 66

6 x 6

27.99

1.78

66.72

BL 488

BL 08 88

8 x 8

36.40

2.36

89.00

BL 522

BL 10 22

2 x 2

12.88

0.90

33.40

BL 523

BL 10 23

2 x 3

15.30

1.12

33.40

BL 534

BL 10 34

3 x 4

20.30

1.54

50.10

BL 544

BL 10 44

4 x 4

15.875

5.96

15.09

2.44

5.98

22.70

1.76

66.80

BL 546

BL 10 46

4 x 6

27.70

2.19

66.80

BL 566

BL 10 66

6 x 6

32.10

2.62

100.20

BL 588

BL 10 88

8 x 8

42.50

3.47

133.60

BL 622

BL 12 22

2 x 2

17.30

1.53

48.93

BL 623

BL 12 23

2 x 3

20.70

1.89

48.93

BL 634

BL 12 34

3 x 4

27.40

2.61

75.62

BL 644

BL 12 44

4 x 4

19.050

7.94

18.10

3.30

7.96

30.70

2.97

97.90

BL 646

BL 12 46

4 x 6

37.40

3.69

97.90

BL 666

BL 12 66

6 x 6

44.20

4.42

146.80

BL 688

BL 12 88

8 x 8

57.60

5.86

195.72

BL 822

BL 16 22

2 x 2

21.30

2.53

84.52

BL 823

BL 16 23

2 x 3

25.40

3.13

84.52

BL 834

BL 16 34

3 x 4

33.70

4.34

129.00

BL 844

BL 16 44

4 x 4

25.40

9.54

24.10

4.09

9.56

37.90

4.95

169.03

BL 846

BL 16 46

4 x 6

46.10

6.16

169.03

BL 866

BL 16 66

6 x 6

54.40

7.37

253.60

BL 888

BL 16 88

8 x 8

71.00

9.80

338.10

BL 1022

BL 20 22

2 x 2

25.30

3.41

115.65

BL 1023

BL 20 23

2 x 3

30.30

4.23

115.65

BL 1034

BL 20 34

3 x 4

40.20

5.85

182.73

BL 1044

BL 20 44

4 x 4

31.750

11.11

30.18

4.90

11.14

45.10

6.69

231.30

BL 1046

BL 20 46

4 x 6

55.00

8.29

231.30

BL 1066

BL 20 66

6 x 6

65.00

9.92

347.00

BL 1088

BL 20 88

8 x 8

84.80

13.92

462.60

BL 1222

BL 24 22

2 x 2

29.60

5.00

151.24

BL 1223

BL 24 23

2 x 3

35.40

6.22

151.24

BL 1234

BL 24 34

3 x 4

47.00

8.62

244.64

BL 1244

BL 24 44

4 x 4

38.100

12.71

36.20

5.77

12.74

52.80

9.84

302.50

BL 1246

BL 24 46

4 x 6

64.50

12.26

302.50

BL 1266

BL 24 66

6 x 6

76.10

14.50

453.70

BL 1288

BL 24 88

8 x 8

99.40

19.54

605.00

BL 1422

BL 28 22

2 x 3

33.50

6.32

191.30

BL 1423

BL 28 23

2 x 3

40.10

7.91

191.30

BL 1434

BL 28 34

3 x 4

53.30

11.10

315.81

BL 1444

BL 28 44

4 x 4

44.450

14.29

42.20

6.55

14.31

59.50

12.62

382.60

BL 1446

BL 28 46

4 x 6

73.10

16.69

382.60

BL 1466

BL 28 66

6 x 6

86.30

20.00

578.30

BL 1488

BL 28 88

8 x 8

112.30

25.28

765.20

BL 1622

BL 32 22

2 x 2

39.00

8.72

289.12

BL 1623

BL 32 23

2 x 3

46.50

12.68

289.12

BL 1634

BL 32 34

3 x 4

61.70

15.09

440.40

BL 1644

BL 32 44

4 x 4

50.800

17.46

48.26

7.52

17.49

69.20

17.81

578.30

BL 1646

BL 32 46

4 x 6

84.40

21.46

578.30

BL 1666

BL 32 66

6 x 6

99.50

25.71

867.40

BL 1688

BL 32 88

8 x 8

129.80

39.89

1156.50

BL 2022

BL 40 22

2 x 2

51.70

15.80

433.68

BL 2023

BL 40 23

2 x 3

61.70

19.80

433.68

BL 2034

BL 40 34

3 x 4

81.60

27.70

650.60

BL 2044

BL 40 44

4 x 4

63.500

23.81

60.30

9.91

23.84

91.50

31.60

867.36

BL 2046

BL 40 46

4 x 6

111.40

39.50

867.40

BL 2066

BL 40 66

6 x 6

131.30

47.40

1301.20

BL 2088

BL 40 88

8 x 8

171.20

63.20

1734.80