Roller Kelly Bushings can be classed as two types based on different ways of drive, square drive and pin drive. Also they can be classed as three types based on different style, heavy, medium and light-duty. They are used for 17.1/2 to 49.1/2inch rotary tables. They are designed and manufactured according to API Spec 7K.

sales@victor-industrial.com +86-152 5811 7626

Product Details

Roller Kelly Bushing
Model	Type	Drive Way	Applicable Size of Kelly (in)
			Square	Hex
HDS	Heavy Duty	Square Drive	2.1/2~6	3~6
27-HDP		Pin Drive	2.1/2~6	3~6
20-HDP			2.1/2~6	3~6

Master bushings and insert bowls are quality heat – treated steel construction and are manufactured to API specifications.

Prev：none

Next：none