Roller Kelly Bushing

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Description

Roller Kelly Bushing for Square or Hex.Kelly

There are Pin driven and Square drive type.

Pin drive Roller Kelly bushing:

Specification 27-HDP 20-HDP 20-MDP 17-MDP
square kelly 3 in-6 in 3in-6in 2½ in-5½ in 2½in -5¼in
hex kelly 3 in-6 in 3in-6in 3 in-4¼in 3in -4¼in
Type Heavy duty Heavy duty Middle duty Middle duty

Square drive Roller Kelly bushing:

Specification HDS MDS LDS
square kelly 3in-6 in 2½in -5¼ in 2½in -5¼ in
hex kelly 3in -6 in 3 in -4 ¼ in 3 in -4¼in
Type Heavy duty Middle duty Light duty