construction features:diamond composite teeth designed on the top so as to enhance the wear resistance of teeth and improve the service life of the drill bit.Also the new type hydraulic structure of hydraulic system has improved the bottom of the cone and the cleaning ability, ensuring the bit has faster mechanical penetration rate.The protection diameter of the bit body is cone ball tooth, large diameter, active cutting, thus the bit has good diameter protectionand pour row eye function.
   Product Advantage:This series of drill suitable for old Wells window sidetrack and old Wells and deepen slimhole drilling operations.

1. Available in all sizes and cutting teeth(milled tooth or caibide buttons).

2. Bolt on patterns to fit vermeer or ditch witch housings.

3. Reliable bearing system  

4. Simple structure ,large bearing clearance,high reliability,and the bit is easy to be small sized.
5. High quality, reasonable price and best service
6. Delivery on time 
7. Good feedback of the clients

8. Meet strictly API & ISO standard

SIZE:from 3-3/4"(95.3mm)to 6-1/8"(155.6mm)

TYPE:437,517,537,617,637, etc.

Please contact us for more information!