Min. Order Reference FOB Price
1 Piece US$10,000.00-20,000.00 / Piece
Product Description
API 12 1/4" Driling Bit, 311mm PDC Bit, Rock Drill Bit for Oil/Gas Well Drilling Product Description As for the mechanical strength of rock, the tensile strength is the lowest, followed by the shear strength, and the compressive strength is the highest which is often several to ten times ...