Purchase Qty. Reference FOB Price
1-49 Pieces US$1,008.88
50+ Pieces US$963.88
Product Description
API 9 1/2" IADC127 TCI Drilling Head Steel Tooth Drill Bit 1. This series of tricone drill bits use journal bearings. Hard-faced head bearing surface. The tapered bearings are inlaid with anti-friction alloy and then silver plated. The load-bearing capacity and seizure resistance of the bearing are ...