12-1/4” IADC 635 Tricone Roller Bit with Tungsten Carbide Inserts

TCI Roller Cone Bits 
Rock drilling tools factory ProDrill rotary drilling tools manufacture a complete line of tricone, bicone bit which are available in new and used (re-tip and re-run) steel tooth and tungsten carbide insert, size from 3 3/8”(85.7mm) to 26”(660.4mm) for use in all formations, with any bearing/seal type, and a wide range of additional custom features.

• Code No.: TCB-TCI-311
• Diameter: 311mm
• Diameter: 12 1/4”
• Pin Type Dimensions: 6 5/8” API
• Teeth Type: TCI
• IADC No.: 635
• Bearing: Rubber roller sealed bearings.
• Rotary Speed: 180-40 RPM
• Normal WOB: 0.5-1.1 KN/mm
• Nozzle NO.: 3

12 1/4” IADC635 Tricone Rock Bit with Tungsten Carbide Inserts:

Application:  Hard formation with high compressive strength, like limestone, sandstone, dolomite, hard gypsum, marble

Features:

1. The tricone roller bit working life is according the drilling formation and the drilling rig.

2. Rock formation: Very soft with low compressive strength and high drillability, such as shale, clay, sandstone and conglomerate, etc.

3. Journal bearing. Hard faced bearing surface. Inner hole of cone is silver-plated. The load capacity and seizure resistance of the bearing is greatly improved.

4. O ring seal is made of the more wear resistant and high saturated buna-N with the increased seal section and precisely designed scaling flange in the cone sealing area has increased the reliability of the seal.

5. All rubber compensator is used which can limit pressure differential and prevent drilling fluid from entering the lubrication system and this provides the bearing system with good assurance of lubrication.

6. High wear resistance and excellent cutting ability of the insert bit are given full play by using carbide compacts of high strength and high toughness in combination with optimized compact numbers and rows, the exposure height and special shaped compacts. For steel booth bit, the tooth surface is hard faced with new type of wear resistant material and thus has extended working life of the cutting structure while still maintaining high ROP.

ProDrill offers heavy duty tricone roller bits to meet your customized drilling needs. We have classified the bits based on their diameter (footprint), International Association of Drilling Contractor number (IADC number) andAmerican Petroleum Industry number (API Number). The IADC number further classifies the tricone bits based on the tooth material of construction, suitability for drilling into soft, medium or hard rock and bearing type used. ProDrill can offer tricone bits for all possible combinations of IADC number.

Tricone bits are widely used in mining

For more details please watch PDF online: Tricone Bits with Tungsten Carbide Inserts Catalogue