3-listé dláto stupňovité

 

 

 

 

 

 

 

Rozměry: 3 7/8" – 26"

Závity: API 2 3/8 – 6 5/8"

Drag bits are economical tools when drilling softer geological formations and shallower depths. We supply both step drag bits and chevron drag bits. Step drag bits are usually used for drilling overdurdens with sands, clays or soft formations. Compared with chevron drag bits, step drag bits produce large cuttings and more aggressive, however, will be less durable.

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