Min. Order Reference FOB Price
2 Pieces US$450.00-990.00 / Piece
Product Description
6 1/8'' Oil Water Well Tricone Drill Bits Rock Bit 1. Roller bits for Mining and Rock Drilling The strength and wear resistance of inserts are improved 1. Roller bits for Mining and Rock Drilling The strength and wear resistance of inserts are improve by using carbide inserts with high strength ...