Purchase Qty. Reference FOB Price
1-99 Pieces US$10.00
100+ Pieces US$8.00
Product Description
High Quality three cone button tci tricone roller drill bit for oil natural gas water well drilling VAM Product Description All our products are produced and processed according to , with the materials of steel grade including J55, K55, N80, N80-1, N80-Q, L80, P110 and so on. The couplings have ...