Min. Order Reference FOB Price
1 Piece US$30.00-500.00 / Piece
Product Description
3 wings step drag bit for soft formation With simple structure, higher drilling speed and bit footage can be obtained in soft formation, which can improve working efficiency Size Type Pin Wt. (lbs.) 1 3/4" - 2 1/2" AW, A-Rod 2 2 5/8" - 2 7/8" AW, A-Rod 2 1/2 2 3/4" - 3 1/4" ...