T. C. I. Tricone Bit Mining Drilling Tools

• Type: Mining Use
• Usage: Well Drilling
• Certification: API
• Model NO.: 8 1/2
• Transport Package: Wooden Case
• Specification: 8 1/2
• Trademark: Feilong
• Origin: Made in China
• HS Code: 843143

Product Description

 

SIZE : 8-1/2 inch
Diameter: 215.9mm
 IADC :    622/635/635/637/625/627
 Bearing Type : Rubber/Metal Jounary Bearing 
 Circulation Type: Water 
 Cutting Structure: Inner & Nose Rows
 Gage Rows: Tungston carbide instert
 Pin Connection : 4-1/2"
 Metric Bit Diameter: 215.9mm
 Product Weight:  38kgs 

Operation Recommendations 
        
 Weight On Bit (KN/mm):   0.45-1.1
 RPM (r/min):   120-50           
 Toqure(KN.M):   16.3-21.7

Application : Drilling Industrial ,oil drilling ,mining drilling, water drilling ,

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