Roller Drill Bit
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Factory 13 1/2 inch IADC 637 Tricone bit TCI Cone Bit Roller Drill Bit
Type: 13-1/2" IADC 637 tricone bit (343mm)
Tungsten carbide insert (TCI)
7-5/8" API Regular Pin
Factory 9 7/8 inch IADC 537 Tricone bit Rock Bit TCI Cone Bit for Construction
Type:9 7/8" (251mm) IADC 537 tricone bit
IADC: 537. Cone seal: elastomer face seal with grease reservoir.
Bearing: roller-ball-friction sealed journal.
Factory 11 5/8 inch IADC 537 Tricone Drill Bit Tungsten Carbide Insert Drill Bit for Construction
Type:Tricone bit
IADC classification: 537 — three-cone, TCI, medium-hard formations (shale, limestone, dolomite).
Brand: ZZSEGU
Factory 7 7/8 inch IADC 537 Tricone Bits Milled Steel Tooth Drill Bits
The 7 7/8 inch IADC 537 milled steel tooth tricone bit is ideal for slim-hole, directional, and geothermal drilling in medium-hard formations — hard shale, dense sandstone, cemented limestone.
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