Hard Rock Core Barrel Roller Cone Bits NG2(49/7.7)

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Introduce

Technical specification of roller cone bit NG2(49/7.7)

Raw Material

Cone

15MnNi4Mo

Arm

15CrNiMo

Tooth

Tungsten Carbide Inserts

Tooth Type

Tooth Qty.&Diameter

49 PCS / 14mm

Tooth Height

Total height: 19mm, inside height: 11.3mm, outside height: 7.7mm

Bearing and Lubrication

Tungsten carbide enhanced on bearing

Grease Lubrication & Bearing Seal

Inject grease by vacuum machine, O-ring Seal

Regular Models


12 1/4"(311.1mm) IADC637G	17 1/2" (444.5mm) IADC537G	12 1/4"(311.1mm) IADC137G	17 1/2"(444.5mm) IADC135G

8 1/2"(215.9mm) PDC Bit	12 1/4"(311.1mm) PDC Bit	Bi Center Bit	PDC Reaming Bits

24" Hole Opener	28" Hole Opener	14" PDC Reamer	18" PDC Reamer

Tricone Bit Thirds	Replaceable Roller Cone Bits	Block Roller Bits	Core Barrel