8 1/2" IADC 637 TCI Tricone Roller Bit for Hard Rock Drilling
product Description
Cutting Structure:
● High-quality tungsten carbide inserts deliver unparalleled durability for TCI Rock Roller Bits, ensuring superior cutting in hard and abrasive formations.
● Optimized IADC 637 cutting design enables deeper, faster drilling while maintaining consistent efficiency.
Superior Protection:
● Equipped with a sealed journal bearing system, Tricone Drilling Bits offer exceptional reliability in harsh environments.
● Anti-corrosion coating ensures the longevity of Tricone Roller Bits, even in extreme conditions.
Specifications:
● Diameter: 8 1/2" (215.9 mm)
● Pin Connection: API Reg Pin 4 1/2"
● Bearing Type: Journal Sealed Bearing
● Circulation: Open or Jet Nozzle Options
Applications:
● Oil and Gas Exploration: Ideal for hard rock drilling in oil and gas projects, TCI Tricone Rock Roller Bits deliver reliable performance.
● Geothermal Energy Projects: Kingdream Tricone Bits excel in geothermal setups requiring precision and durability.
● Water Well Drilling: Perfect for drilling in shallow or abrasive formations, Kingdream TCI Tricone Bits ensure efficiency and reliability.
● Mining Operations: Kingdream TCI Bits provide precision tools for mining operations in demanding geological conditions.



The TCI Tricone Bits 8 1/2" Rock Roller Bit is a standout product in the Kingdream TCI Tricone Roller Bits lineup. Combining advanced cutting structures, robust protection mechanisms, and versatile applications, this bit meets a wide range of drilling needs. Whether for oil and gas, water wells, or mining projects, Kingdream Tricone Drilling Bits are the ultimate choice for reliable performance.










