rockbuster
concave
flatbottom
convex
drop center

As its name suggests this bit has a recessed center in the impact face. This recess provides a major coring action which makes this the straightest drilling bit of all the face designs. This bit is ideal for soft to medium consolidated formation drilling with low to medium air pressure.

 

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P.O. Box 3641
San Angelo, TX. 76902
Phone: (325)-651-8811
FAX (325)-651-8822
1-800-334-2487

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