Drill Bits
Fri, 04/23/2010 - 12:58 — criadmin
Down-the-hole Bits that are Engineered for
Speed and Built to Survive
Nothing is more important to drilling success than drill bits that cut straight and fast through all types of rock. That’s why we offer our customers the best value in drill bits. Center Rock has a full range of face designs, button configurations, and shank styles in many sizes up to a 20" head, to match the application and rock they are drilling in.
Drill Bit Face Styles
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Flat Face (F) design for medium hard to hard formations, good flushing and good penetration rates. |
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Convex (V) design with double gauge row for medium to hard and abrasive formations, good flushing and good penetration rates. |
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Concave/Convex (X), the best of both worlds with double gauge row and concave center for medium to hard and abrasive formations, straight holes, excellent flushing and excellent penetration rates. |
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The all-purpose Concave (C), for soft to medium hard formations, straight holes, excellent flushing and fast penetration rates. |
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Cyclops™ unique single port design maximizes bit strength and minimizes the risk of bit head splitting or chunking caused by operational and manufacturing induced fatigue stress. |
Center Rock Bit Options
 Click here for Larger View |
| Key Code: | S - Standard Offering |
| O - Optional Offering/Custom Order | |
| N - Not Offered | |
| Face Style: | F - Flat |
| C - Concave | |
| V - Convex | |
| X - Concave/Convex | |
| Head Style: | S - Standard Head Without Fishing Thread |
| T - Fishing Thread | |
| R - CRI Retainer System | |
| Flushing Holes: | 1 - Cyclops™ Single Hole |
| 2 - Two Flushing Holes | |
| 3 - Three Flushing Holes | |
| Optional Carbide Grades: |
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