12'(304.8mm) TCI Tricone Bit IADC637

12'(304.8mm) TCI Tricone Bit IADC637

Product description:

Quick Details

  • Place of Origin: Hebei, China (Mainland)
  • Brand Name: Wanxiang
  • Model Number: IADC637
  • Type: Drill Bit
  • Machine Type: Drilling Equipment
  • Certification: API
  • Material: tungsten carbide insert
  • Processing Type: Forging
  • Use: Well Drilling
  • Rotation speed: 70-40r/ min
  • WOB: 0.7-1.2kN/ mm

Packaging & Delivery

Packaging Details: Wooden cases or as per customer's requirements.
Delivery Detail: within 7 days after receipt of payment


API SPEC 7 Tricone Drill Bit
1. Combined circulation
2. Enhanced teeth hardfacing
3. IADC637

12 (304.8mm) Rubber Sealed Tricone Bit IADC637

Technical Data

1. Quantity of nozzles: 3-4 pcs (as per requirement)

2. Pin size: API 6 5/8REG

3. Bit weight net: 95kg

4. Bit weight gross: 105kg

5. Rotation speed: 70-40r/ min

6. WOB: 0.7-1.2kN/ mm


Bit is designed for drilling of oil and gas wells in high compressive strength, medium hard, high abrasive formations, such as limestone, dolomite, sandstone, chert, etc.


1. Combined circulation (Three side jets and one central jet) .

2. Shirttail and leg entering edge hardfacing.

3. Shirttail protection with TCI.

4. Enhanced teeth hardfacing

5. Inserts on gage surface

6. Additional gage row.