Mill Tooth Type
Sealed journal bearing structure with bearing hardsurfaced and silver plated to improve its load capacity and anti-wear ability. Highly saturated Buna-N rubber O-ring is adopted to provide a better resistant performance, which guarantees a high RPM and a long working life.
We design personalized Oil &Gas, Water well and Mining drill bits at any sizes to best suit your wells. Our quality and our competitive price is your first choice.
IADC code available: 117 ,127, 137, 147 ,217, 227, 237, 247, 317, 327, 337, 347
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