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Product Name | 17 1/2" IADC 115 Steel tooth bits | Size | 17 1/2inches |
Brand | CSdrill | Type | TCI tooth tricone bit |
Bearing type | rubber sealed journal bearing | LBS. | 83.8 |
WOB | 0.35~1.05KN/mm | RPM | 80~40r/min |
Weight | 100 KG | MOQ | 1pcs |


IADC | WOB (KN/mm) (Bit Dia) | (r/min) | Applicable Formation | |||
116 117 | 0.35~0.8 | 150-80 | Very soft formations with low compressive strength and high drillability ,such as clay ,mudstone,chalk,etc. | |||
126 127 | 0.35~0.9 | 150-70 | Soft formations with low compressive strength and high drillability ,such as mudstone , gypsum, salt ,soft shale ,soft limestone, etc. | |||
136 137 | 0.35~1.0 | 120-60 | Soft to medium soft formation with low compressive strength and high drillability,such as medium soft shale,hard gypsum,medium soft limestone,medium soft sandstone,soft formation with harder interbeds etc. | |||
216 217 | 0.4~1.0 | 100-60 | Medium formation with high compressive strength, such as abrasive shale,limestone,sandstone,dolomite,hard gypsum,marble , etc. | |||
246 247 | 0.4~1.0 | 80-50 | Medium hard formations with high compressive strength .such as abrasive shale,limestone,sandstone,dolomite, hard gypsum,marble,etc. | |||
417 437 447 | 0.35~0.9 | 150-70 | Very soft formations with low compressive strength and high drillability, such as mudstone , gypsum, salt ,soft shale ,soft limestone, etc. | |||
517 527 | 0.35~1.0 | 140-60 | Soft formations with low compressive strength and high drillability ,such as mudstone , gypsum, salt ,soft shale ,soft limestone, etc. | |||
537 547 | 0.45~1.0 | 120-50 | Soft to medium formation with low compressive strength,such as medium soft shale,medium soft limestone,medium soft sandstone,medium formation with harder and abrasiver interbeds,etc. | |||
617 627 | 0.45~1.1 | 90-50 | Medium hard formations with high compressive strength, such as hard shale,limestone,sandstone,dolomite,etc. | |||
637 | 0.5~1.2 | 80-40 | Hard formations with high compressive strength, such as sandstone,limestone,dolomite,hard gypsum,marble,etc. | |||
Note: The upper limits of WOB and RPM in above table should not be used simultaneously. | ||||||











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