John King Chains

JK Pattern Steel Detachable Chains

This series has generally replaced John King cast link detachable chains. The simple “hook and bar” construction is maintained by a steel profile is employed in place of a casting with the obvious benefit of higher tensile strengths and therefore chain working loads.


Chain can run in both directions but will wear less if the hook trails with the exception of fine grained abrasive materials where hook should lead. ead.

European Pattern Steel Detachable ChainsEuropean Pattern Steel Detachable Chains

A1 attachments | A9 attachments | C1 attachments | C2 attachments | E1 attachments | F1 attachment | K1 attachments | K5 attachments

JK Pattern Steel Detachable Chains

Chain
Number

Style

A

B

C

D

Number of
links per Metre

Weight

Ultimate
Strength

mm

kg/m

N

JK55

A

41.7

36.5

16.5

10.5

24

1.35

25,000

JK57

A

59

48

24

10.5

16.9

1.55

34,000

JK62

A

41.7

42.5

20.5

10.5

24

1.60

30,000

JK72 1/2

B

42.2

52

24

10.5

23.7

2

33,000

JK74

A

60.6

65

28

15.7

16.5

3.8

65,000

JK78

B

67.1

70

28

12.5

14.9

3.15

50,000

JK103

C

78.5

87

32

17.7

12.7

5.75

75,000