Drillin Bit 12-1/2 Inch TCI Tricone Drill Bit of Water Mining

• Customization: Available
• Customized: Customized
• Standard: API
• Model NO.: Tricone bit
• Length: Taper-length
• Type: Center Drill Bit
• Material: Tungsten Carbide
• Usage: Well Drilling
• Certification: ISO 9001:2000, API
• Surface Treatment: Spray-Paint
• Manufacturing Process: Forging
• After-Sales Service: According to Drill Bit Usage
• Warranty: According to Drill Bit Usage
• Name: Tricone Drill Bit or Roller Cone Drill Bit
• Application: Oil or Water or Gas Drilling Well
• Model: Rock Bit or Drill Bit
• Tooth Type: TCI
• Transport Package: Wooden Box
• Specification: TCI
• Trademark: ENG
• Origin: China
• HS Code: 8207191000
• Production Capacity: 5000PCS
• Package Size: 400.00cm * 400.00cm * 600.00cm
• Package Gross Weight: 78.000kg

Product Description

 

Product Description

 

Tricone Bit Description:
A tricone bit is a rotary drilling tool with three conical-shaped, rotating cutters (cones) mounted on bearings. These cones have hardened teeth or tungsten carbide inserts that crush and grind rock formations during drilling operations. Widely used in oil/gas and mining industries, they come in various designs for different formations.

Working Principle:

1. The bit rotates while weight is applied from the drill string, forcing the cones to roll across the rock surface.
2. Teeth/inserts alternately contact the formation, creating compressive and shear forces to break rock.
3. Drilling fluid clears cuttings through nozzles while cooling/lubricating the bit.

Key Advantages:

• Versatility: Adaptable to soft/medium/hard formations via tooth/insert configurations.
• Durability: Bearings and hardfacing materials extend service life.
• Stability: Three-cone design ensures balanced drilling with reduced vibration.
• Cost-Effective: Lower initial cost compared to PDC bits for certain formations.

 
 

Detailed Photos

 

Main Components of Tricone Bit :

1. Cones (3 units) - Rotating cutters with teeth/inserts that crush rock. Made of alloy steel with hardened surfaces.
2. Bearings - Allow cone rotation (may be sealed/non-sealed, roller/ball types).
3. Legs - Three arm-like structures supporting each cone, welded to the bit body.
4. Nozzles - Jet openings for drilling fluid to clear cuttings and cool the bit.
5. Shank - Threaded top section connecting to the drill string (API-registered threads).
6. Gauge Protection - Tungsten carbide inserts on legs to reduce outer diameter wear.
7. Lubrication System - Grease reservoirs/channels for bearing lubrication (in sealed designs).

Optional Features:

• Hardfacing - Wear-resistant coating on legs/cones.
• O-Ring Seals - Prevent fluid ingress in sealed bearing bits.

F. A. Q

 

Q: Are your company a trading company or manufacturing factory :
A: We are professional manufacture with over +20 experience
 
Q: Accepted  Payment Terms:
A: T/T, L/C,  Paypal, Western Union, etc.
 
Q: Guarantee and Warranty of Quality:
A: We are an API&ISO certified factory, we have one integrated set of systems to control quality in production and make after-sale service.
 
Q: Referenced Letters:
A: We have many Referenced Letter issued by our customers from many countries for checking our quality and service.
 
Q: Can I visit your factory online?
A: Yes, we can show our workshop, warehouse, offices online by WeChat, Whatsapp, or Skype