Rollers-Replaceable

Product description: Single roller cutters, single roller bit, single roller cones

Sizes:  8 1/2'' .

IADC code:437,517,537, 617, 637, 737, etc

Bearing type: Sealed bearing,Open bearing, Roller bearing

1.Truly replaceable

2.Reliable and stable sealing structure, metal seal and rubber seal optional.

3.New type pressure compensator system

4.Palm back alloy full coverage improves the abrasion resistance of the palm.

Advantages

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Applications

Suitable for Trenchless, Horizontal Directional Drilling, No-dig, Construction, Pile Foundation.

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