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Application

The drilling buckets are designed specifically for drilling all types of soils below groundwater. For drilling in a varity of soil conditions revolving bottom gates can be supplied with different type of teeth. The opening of the revolving bottom gate is facilicated by an automatic or manual tip mechanism. A ventilation pipe prevents the occurrence of vacuum when lifting the tool.For large drilling diameters or for the use in uncased bores, buckets with double start head are recommended.

Feature

Double Bottom Rock Bucket, used for cutting very dense sand and gravel, weak to medium hard rock.Single Bottom Rock Bucket, used for cutting soft to medium hard rock fractured rock formation combined with low fines and coarse soil; decompressed rock formation.Fishtail pilot bit / Round shank rock teeth pilot bit.

Cutting Dia

Normally 500mm to 3000mm, other avaliable upon request. like Φ950, Φ1050 etc...

Shell Height

Normally 1200mm / 1000mm/800mm, other avaliable upon request,prolong or shortten, increase of efficiency by drilling more.

Shell OD

Normally 420mm to 2920mm, other avaliable upon request,

Shell Thickness

Normally 16/20mm, other avaliable upon request.

Fixed Bottom Thickness

Normally 40mm / 50mm, other avaliable upon request.

Rotate Bottom Thickness

Normally 40/50mm, other avaliable upon request.

Teeth

Round shank bits B47K22H or B40K12,other avaliable upon request

Kelly box

Normally 130*130/150*150/200*200mm, other avaliable upon request,prolong or shortten.