Min. Order Reference FOB Price
1 Piece US$1.00-4,500.00 / Piece
Product Description
Product Description Detailed Photos Ruishi owns full production lines of PDC bit ,Tricone roller bit and core bit, which is covering all size of the 2"-26" bit. API Standard Size of Tricone/PDC Bit Inch MM Inch MM 6 152.4 10 1/2 266.7 6 1/4 158.8 11 1/2 292.1 6 1/2 ...