250mm FK732G Steel Tooth Rotary Bits Air Circulation Non Sealed Air Cooled Bearing
250mm FK732G , Rotary Mining Bit , Air Circulation , Non Sealed Air-Cooled Bearing , TCI Tricone Bit
RECOMMENDED ROCK FORMATIONS
Designed for medium-hard and abrasive formations with high compressive strengths such as limestone, sandstone, dolomite and chert.
SIZE AVAILABLE
From 6 1/4inch to 13 3/4inch
RECOMMENDED DRILLING PARAMETERS FOR APPLICATION
| Types & IADC Code | 412 | 432 | 542 | 642 | 732 | 842 | |
| WOB | KN/mm(Bit Dia.) | 0.175~0.35 | 0.175~0.7 | 0.35~0.875 | 0.525~1.05 | 0.7~1.22 | 0.875~1.4 |
| Lb/in. (Bit Dia.) | 1000~2000 | 1000~4000 | 2000~5000 | 3000~6000 | 4000~7000 | 5000~8000 | |
| Rotation Speed (Rpm) | 120~90 | 120~90 | 110~80 | 100~60 | 90~60 | 80~50 | |
The above chart represents commonly available sizes and types, we do produce other sizes and types of rock bits which do not appear on this list. Please contact us for more information.
FLRT mining bit range of rotary drilling bits includes geometries and cemented carbide grades for different surface and compressive strengths, abrasiveness, massiveness and homogeneity of rock as well as for various penetration rates and capabilities and characteristics of the drill rig. Innovative bearing technology and improved geometry, materials and machining methods provide longer bearing life.
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