Min. Order Reference FOB Price
1 Piece US$800.00-1,500.00 / Piece
Product Description
Product Description Bit Specification Bit Size 8 1/2'' 215.9mm IADC Code 537 Thread Connection 4 1/2'' API REG PIN WOB(kN/mm) 0.4~1.0 RRM(r/min) 120~40 Formation soft t omedium soft to medium ...