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There are two categories of clay drilling buckets:
A) Single Cut Clay Bucket
B) Double Cut Clay Bucket

Drilling Diameter Range: 500~2500mm Barrel Length: 1000~1500mm

Main Applications:
I) These buckets are suitable for drilling in clay, silt and loose to medium dense sand and gravel.
Ii) Single cut buckets are recommended up to coarse gravel.
Iii) Double cut buckets are mainly used for bigger diameter uncased boreholes.
Iv) Single bottom buckets are used for clay layer and sticky formation.

Here are two categories of rock drilling buckets:
A) Single Cut Rock Bucket
B) Double Cut Rock Bucket

Drilling Diameter Range: 500~2500mm Barrel Length: 1000~1500mm

Main Applications:
I) Rock buckets are suitable for drilling in medium to weak rock and in very dense sand and gravel.
Ii) Single cut buckets are recommended up to coarse gravel.
Iii) Double cut buckets are recommended for secant piles and bigger diameters uncased boreholes.