Crown Hole Opener Bits and Inner Hole Opener Bits

Crown Hole Opener Bits and Inner Hole Opener Bits:

1. 10 years manufacturing experience;

2. Certificate: ISO9001:2008

3. Material: Carbide

Carbide Button Shape Selection:

1. Domed/Round Button

Domed/Round Buttons are usually used as gauge buttons of dth bits, suitable for very abrasive and very hard formations.

2. Parabolic/Semi-Ballistic Buttons

Parabolic Buttons are usually used as gauge buttons and front buttons of dth bits, suitable for medium abrasive and hard formations.

3. Ballistic Button

Ballistic Buttons are usually used as front buttons of dth bits, suitable for medium abrasive and medium hard formations. They can also be used as gauge buttons if the rock is soft.

4. Sharp Button

Sharp Buttons are usually used as front button of dth bits for soft formations where fast penetration rates are possible.

5. Flat Button

Flat Buttons are usually used as protection buttons to reduce wear on rubbing surfaces of dth bits.

Our advantages:

We have advanced production equipments & talented researchers & technicians & rich experiences in R & D and production.
We use the best quality raw materials.
We adopt advanced production technology & strict testing procedure.
We passed ISO9001 quality management system certification.
We accept OEM manufacturing and produce on your design.