Roller Bit Drilling Customized Size Double Bottom / Double Open
Drilling buckets are mainly used for drilling water-bearing sandy soil, sludge, clay, muddy sub clay, sandy gravel, cobble, and weathered soft formation. The bucket can be designed into cylindrical type and conical type according to bucket diameter, type of drilling rig and soil conditions. The opening and closing device can be operated manually, mechanically or mixed manner. The welding angle of bucket teeth can be designed according to formation conditions.
The bottom cover is made of high-strength Mn plate, and the cutting edge includes single-layer type and double-layer type; The soil inlet also includes single-bottom type and double-bottom type.
1- These buckets are suitable for drilling in clay, silt and loose to medium dense sand and gravel.
2- Single cut buckets are recommended up to coarse gravel.
3- Double cut buckets are mainly used for bigger diameter uncased boreholes.
4- Single bottom buckets are used for clay layer and sticky formation.
* Other sizes can be manufactured as per customer demand
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