PRODUCTS > Roller Kelly Bushings

Roller Kelly Bushings

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Type
Style
Way of Drive
Suitable for Kelly
Square(in)
Hexagon(in)
HDS
Heavy
Square Drive
2 1/2-6
3-6
27-HDS
Pin Drive
2 1/2-6
3-6
20-HDP
Pin Drive
2 1/2-6
3-6
4KR VS
Medium
Square Drive
2 1/2-5 1/4
3- 4 1/4
20-MDP
Pin Drive
2 1/2-4 1/4
3- 4 1/4
17-MDP
Pin Drive
2 1/2-4 1/4
3- 4 1/4
4KRBM
Light-weight
Square Drive
2 1/2-4 1/4
3- 4 1/4

Rollar Kelly Bushing are used for 17½-49½ inch rotary tables. They are designed and manufactured according to API Spec 7K.

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