WHM Chains

WHM Chains


Key Features:

  • Direct replacement with Metric standard DIN8167,
  • Increased ultimate tensile strength of up to 65% as compared to standard M series chain,
  • Welded bush for increased shock resistance,
  • Best specification with all parts through hardened and surface induction hardening on pins and bushes,
  • Crank link design as US standard ISO DP6972 a beneficial construction.


WHM Chains

John King WHM Series

Chain
Number

Pitch

F1

L

S

H

D6

D5

Breaking
Load

Weight

P

mm

kN

kg/m

WHM160/100/IBR*

100

72

37

7

50

18

25

270

9.5

WHM160/125/IBR*

125

72

37

7

50

18

25

270

8.7

WHM160/160/IBR*

160

72

37

7

50

18

25

270

8.0

WHM224/160/IBR*

160

84

42

8

60

21

30

375

12.8

WHM224/200/IBR*

200

84

42

8

60

21

30

375

11.6

WHM224/250/IBR*

250

84

42

8

60

21

30

375

10.8

WHM315/160/IBR*

160

97

48

10

70

25

36

520

17.8

WHM315/200/IBR*

200

97

48

10

70

25

36

520

16.4

WHM450/200/IBR*

200

116

56

12

80

30

42

700

23.8

WHM450/250/IBR*

250

116

56

12

80

30

42

700

22.1

WHM630/200/IBR*

200

136

66

14

100

36

50

900

38.9

WHM630/250/IBR*

250

136

66

14

100

36

50

900

34.2

WHM630/315/IBR*

315

136

66

14

100

36

50

900

31.7

* IBR represents uprated timber specification with fully heatreated components together with induction hardened barrel (bush) and pin.