Butterfly bucket with cutting teeth two body open bucket

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. 

Main Applications: 
1- These drillling buckets are suitable for drilling in clay, silt and loose to medium dense sand and gravel. 
2- Single cut drilling buckets are recommended up to coarse gravel. 
3- Double cut drilling buckets are mainly used for bigger diameter uncased boreholes. 
4- Single bottom drilling buckets are used for clay layer and sticky formation. 
* Other sizes can be manufactured as per customer demand

Product Description

Kelly box:       120x120mm, 150x150mm, 200x200mm, 250x250mm

                         1 hole / 2 holes / 3 holes (2 on one side, 1 on another)  

Teeth / Bits:    bullet teeth / rock bit / rock teeth, sand bits / sand teeth

                         roller bits / roller wringer, hob, pilot bit

Technique:     Welding as usual, casting / forging as per special need

Material:         16Mn for drilling bit; 16Mn / 35CrMo for kelly bar; Q235 for   

                         tremie pipe; 16Mn / 25CrMo for casing; alloy for teeth / bits

Application:    sand bit for silt and clay, pure clay, sand and gravel      

                         rock bit / roller bit for rock and reinforce concrete

Equipment:    For rotary drilling rig, for construction site/field