Rock Bit 8 1/2 in- IADC:537- Feilong
This 8.5-inch Tricone Rock Bit with IADC Code 537 is engineered for drilling in hard and abrasive formations such as shale, limestone, and sandstone. The IADC 537 classification indicates a Tungsten Carbide Insert (TCI) cutting structure, sealed bearing system, and suitability for high-compressive-strength formations. Built for durability and performance, this Insert bit delivers consistent results in demanding drilling environments
Bit Diameter: 8.5 inches (216 mm)
IADC Code: 537 (TCI teeth, sealed bearings, hard formation)
Cutting Structure: TCI (Tungsten Carbide Inserts)
Bearing Type: Sealed roller bearing with O-Ring protection
Thread Connection: 4 1/2” API Reg
High resistance to wear, heat, and pressure
Ideal for oil, gas, water well drilling, and civil engineering
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