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Audited Supplier Rock Tricone TCI Drill Bit,12 1/4" Water Well Drilling Bit
| Specification | |
| Size | 12 1/4" |
| IADC code | 637G |
| Thread Connection | 6 5/8 API REG PIN |
| Operating Parameter | |
| WOB | 156-373KN |
| RPM | 80-40 |
| Formations | Hard formation with high compressive strength , such as hard shale,sandstone,dolomite, hard gypsum,chert,granite,etc. |
tricone bit/tricone rock bit parameters:
| IADC | WOB | RPM | Applicable Formations | ||||||
| (KN/MM) | (r/min) | ||||||||
| (Bit Dia) | |||||||||
| 116 117 | 0.35~0.8 | 150~80 | Very soft formations with low compressive strength and high drillability,such as clay,mudston,chalk etc. | ||||||
| 126 127 | 0.35~0.9 | 150~70 | Soft formations with low compressive strength and high drillability,such as mudstore,gypsum,salt,softshale.soft limestone,ect. | ||||||
| 136 137 | 0.35~1.0 | 120~60 | Soft to mesium soft formations with low compressive strength and high drillability.such as medium soft shale,hard gypsum,medium soft limestone.medium soft sandstone soft formation with harder nterbeds,ect. | ||||||
| 216 217 | 0.4~1.0 | 100~60 | Medium hard formations with high compressive strength,such as medium soft shale,hard gypsum,medium soft limestone,medium soft sandstone,soft formation with harder interbeds ect. | ||||||
| 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,ect. | ||||||
| 417 437 | 0.35~0.9 | 150~70 | Very soft formations with low compressive strength and high drillability,such as clay,mudston,chalk,gypsum,salt,soft shale,soft limestone,etc. | ||||||
| 447 | |||||||||
| 517 527 | 0.35~1.0 | 140~60 | Soft formations with low compressive strength and high drillability,such as mudstore,gypsum,salt,soft shale.soft limestone,ect. | ||||||
| 537 547 | 0.45~1.0 | 120~50 | Soft to medium formations with low compressive strength,such as medium soft shale,medium soft limestone,medium soft sandstone,medium formation with harder and abrasiver interbeds,ect. | ||||||
| 617 627 | 0.45~1.1 | 90~50 | Medium hard formations with high compressive strength,such as hard shale,limestone,sandstone,dolomite,ect. | ||||||
| 637 | 0.5~1.2 | 80~40 | Hard formations with high compressive strength,such as sandstone,limestone,dolomite,hard gypsum,marble,ect. | ||||||
Tricone bits pictures:
Packing:wooden case or iron box
Shipping:by ship,by air,by train ect as your requirement
Are you Manufacture or Factory?
Yes we are and from Hejian City Cangzhou city Hebei Province China.
How about the quality and supply ability?
We can supply you with 300 pcs tricone bits for a month.
What the MOQ?
1pc.
How to place an order?
1)Inform size and IADC code
2)Formation
3)quantity
What is the Pament?
T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance. We also can accept L/C AT SIGHT if the quantity is large.
Please don't hesitate to contact us if you are interested.
Suppliers with verified business licenses
Audited Supplier 
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