Home > Products > Drilling Tools > 3-Cone Roller Bits (MILED STEEL TOOTHED)
3-Cone Roller Bits (MILED STEEL TOOTHED)
USD $200 - $800
/ Set
1 Set(Min.Order)
- 500 Piece / Pieces per Month
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Product Details
| Place of Origin | Henan, China | Brand Name | Hanfa | |
| Model Number | tricone | Type | Other, Core Drill Bit, Tricone Bits | |
| Material | Other, other | Use | Other, drill machine |
Product Description
3-Cone Roller Bits (MILED STEEL TOOTHED)
The roller-cone bits are used to drill all kinds of formations, from soft to hard. The softer formations use steel-tooth bits, and the harder use tungsten carbide.<o:p>
The biggest advantage the tricone bits have over any other drill bit is the test of time. They have been proven time and time again, and they're the best at controlling the trickier situations. Tricones' ability to handle both soft and hard formations gives them the flexibility that other drill bits do not have.
| IADC | WOB | RPM | Application |
| (KN/mm) | (r/min) | ||
| 111/114/115 | 0.3-0.75 | 200-80 | very soft formations with low compressive strength and high drill ability, like clay, mudstone, chalk |
| 116/117 | 0.35-0.8 | 150-80 | very soft formations with low compressive strength and high drill ability, like clay, mudstone, chalk |
| 121 | 0.3-0.85 | 200-80 | soft formations with low compressive strength and high drill ability, like mudstone, gypsum, salt, soft limestone |
| 124/125 | 180-60 | ||
| 131 | 0.3-0.95 | 180-80 | soft to medium formations with low compressive strength, like medium, soft shake, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds |
| 136/137 | 0.35-1.0 | 120-60 | |
| 211/241 | 0.3-0.95 | 180-80 | medium formations with high compressive strength, like medium, soft shake, hard gypsum, medium soft limestone, medium soft sandstone, soft formation with harder interbeds. |
| 216/217 | 0.4-1.0 | 100-60 | |
| 246/247 | 0.4-1.0 | 80-50 | medium hard formation with high compressive strength, like hard shale, limestone, sandstone, dolomite |
| 321 | 0.4-1.0 | 150-70 | medium abrasive formations, like abrasive shale, limestone, sandstone, dolomite, hard gypsum, marble |
| 324 | 0.4-1.0 | 120-50 | |
| 437/447/435 | 0.35-0.9 | 240-70 | very soft formations with low compressive strength and high drill ability, like clay, mudstone, chalk, gypsum, salt, soft limestone |
| 517/527/515 | 0.35-1.0 | 220-60 | soft formations with low compressive strength and high drill ability, like mudstone, gypsum, salt, soft limestone |
| 537/547/535 | 0.45-1.0 | 220-50 | soft to medium formations with low compressive strength, like medium, soft shake, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds |
| 617/615 | 0.45-1.1 | 200-50 | medium hard formation with high compressive strength, like hard shale, limestone, sandstone, dolomite |
| 637/635 | 0.5-1.1 | 180-40 | hard formation with high compressive strength, like limestone, sandstone, dolomite, hard gypsum, marble |
| Note: Above limitts of WOB and RRPM should not be used simultaneously | |||
PIN SIZE
| Bit Diameter | API PIN | |
| (inch) | (mm) | |
| 3 7/8"~5 1/4" | 98~134 | 2 3/8", 2 7/8" |
| 5 5/8"~6 3/4" | 143~171 | 3 1/2" |
| 7 1/2"~9 1/2" | 190.5~241 | 4 1/2" |
| 9 5/8"~13 3/4" | 245~350 | 6 5/8" |
| 14 5/8"~26" | 371~660.4 | 7 5/8" |
Contact Us
- Zhengzhou Han Fa Imp & Exp Trading Co., Ltd.
- Contact nameVincent Guo Chat Now
- Phone86-371-67990397
- AddressYulan Street, High-tech Zone, Zhengzhou, Henan
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