Double-Bottom Rock Drilling Bucket

Rock Bucket  Features:
1- Cylindrical barrel & conical barrel (depends on customer demand)
2- Throughout ventilation hole
3- Hard facing strips around shell for wear protection an service life extending
4- Kelly box size as per customer demand

1.-- UNIMATE drilling buckets are mainly divided into three types:
1- Clay Drilling Buckets     2- Rock Drilling Buckets       3- Cleaning Buckets

1) Clay Drilling Buckets
There are two categories of clay drilling buckets:
1-Single Cut Clay Bucket          2- Double Cut Clay Bucket
Drilling Diameter Range: 600~2500mm    
Shell Length:   800~1200mm
Main Applications:
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 laer and sticky formation.

2) Rock Drilling Buckets
There are two categories of rock drilling buckets:
1- Single Cut Rock Bucket            2- Double Cut Rock Bucket
Drilling Diameter Range: 600~2500mm   
Shell Length:   800~1200mm
Main Applications:
1- Rock buckets are suitable for drilling in medium to weak rock and in very dense sand and gravel.
2- Single cut buckets are recommended up to coarse gravel
3- Double cut buckets are recommended for secant piles and uncased boreholes construction.

3) Cleaning Bucket
Cleaning Diameter Range: 600~2500mm     
Barrel Length: 800~1500mm
Main Applications: Cleaning bucket is used for cleaning the bottom of borehole.

4) Core Barrels
Core barrels are generally divided into two types:
1- Core Barrel with Bullet Bits (Applicable for strong rock up to 100MPa or Rock with deep cracks)
2- Core Barrel with Roller Bits (Applicable for very strong rock formations with compressive strength grater than 100MPa)
Cutting Diameter Range: 600~2500mm


Double-Bottom Rock Drilling Bucket