Buy Lead: 17 1/2'' Oil Field Drilling Roller Bits (See details)
Posted By: Rehim on February 24, 2017 14:32 From 185.30.88.***
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Inquering Related Product: 17 1/2'' Oil Field Drilling Roller Bits - All types
Quick Brief
| Place of Origin: Henan China (Mainland) | Brand Name: ZM | Model Number: All types |
| Type: Center Drill Bit | Material: Tungsten Carbide | Use: Well Drilling |
| color: yellow and blue | certificate: ISO | main market: africa india brazil russia etc. |
| types: tci tooth and steel tooth | produce type: OEM designed | material: tungsten carbide tooth and carbon ste... |
| roller quantity: one two three | hard formation: hard and soft | protection layer: rubber and metal |
| feild used: oil and geological drilling |
Product Features:
Roller Bit
1-three roller bit
2-certified by API &ISO
3-Good feedback of clients
4-a large stock roller bit
Product Cateogry: Drill Bit
Business Term:
Port: China main port
Minimum Order Quantity: 1 Piece/Pieces
Supply Ability: 1000 Piece/Pieces per Month
Payment Terms: L/C,T/T,Western Union
Packaging Information
| Packaging Detail: | wooden case |
| Delivery Detail: | in 15 days |
Specifications and Product Details:
Original Product PageRoller bit
Water prospecting tricone drill bit/ milled tooth tricone drill bit/ roller cone drill bit/ rock drill bit/ TC tricone bit
TCI bits series:
Soft formation TCI tricone bits:
The soft formation TCI tricone bits are used to drill low compressive strength, very soft formations. This bit maximized to use of both conical and chisel tungsten carbide inserts of large diameters and high projection. This cutting structure design, combined with maximum cone offset, results in high bit penetration rates. The deep intermesh of cutter rows prevents bit bailing in sticky formations.
Medium formation TCI tricone bits:
The medium formation TCI tricone bits features aggressive chisel tungsten carbide inserts on the heel rows and inner rows. This design provides a fast drilling rate and added cutting structure durability in medium to medium hard for mations. The HSN rubber O-ring provides adequate sealing for bearing durability.
Hard formation TCI tricone bits:
The hard formation TCI tricone bits can be used to drill hard and abrasive formations. Wear resistance tungsten carbide inserts are used in the outer rows to prevent loss of bit gauge. Maximum numbers of hemispherical shaped inserts are used in all rows to provide cutter durability and long life.
Medium hard formation TCI tricone bits:
The medium hard formation TCI tricone bits features robust chisel tungsten carbide inserts on the heel row and conical on the inner rows. This design provides a fast drilling rate and added cutting structure durability in medium to medium hard formations. The HSN rubber O-ring provides adequate sealing for bearing durability.
Steel tooth bits series:
Soft formation tooth bits:
The soft formations tooth bits are used to drill low compressive strength, soft formations. Long projection tooth lengths are used on high offset cones to provide the greatest penetrations rates possible. Wear resistance hard facing is used to control tooth wear. On the softest bit types this hard facing completely covers the bit teeth.
Medium hard formations tooth bits:
The medium hard formation tooth bits are used to drill high compressive strength, medium hard formations. Shoot projection teeth with reduced crest length are used in this series of bit designs. Durable hard facing is applied to reduce tooth wear.
size | bit type | |
| in. | mm | |
| 6 | 152.4 | 136,127,517,537,617,637 |
| 6 1/2 | 165.1 | 126,127,517,537,617,637 |
| 7 1/2 | 190.5 | 126,136,216,227,517,537,617,637 |
| 8 1/2 | 215.9 | 114,124,126,127,517,537,617,637 |
| 9 1/2 | 241.3 | 126,127,517,537,617,637 |
| 9 5/8 | 244.5 | 127,517,537,617,637 |
| 9 7/8 | 250.8 | 127,517,537,617,637 |
| 12 1/4 | 311.1 | 114,126,127,517,537,617,637 |
| 13 5/8 | 346 | 117,126,127,517,537,617,637 |
| 14 3/4 | 374.6 | 124,517,537,617,637 |
| 15 | 381 | 124,517,537,617,637 |
| 15 1/2 | 393.7 | 124,517,537,617,637 |
| 17 1/2 | 444.5 | 114 117 124 126 216 |
| 22 | 558.8 | 124,517,537,617,637 |
| 24 | 609.6 | 124,517,537,617,637 |
| 26 | 660.4 | 114,517,537,617,637 |
For more detailed specifications or catalog please feel free to contact with us.
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