江漢金屬密封三牙輪鉆頭

好用耐磨三牙輪鉆頭，石油鉆頭，PDC鉆頭，礦山鉆頭，基樁工程牙輪鉆頭，組裝鉆頭，胎體PDC鉆頭，剛體PDC鉆頭，油用牙輪鉆頭，76-660mm牙輪鉆頭，鑲齒牙輪鉆頭，鋼齒牙輪鉆頭，江漢三牙輪鉆頭，川石牙輪鉆頭，三牙輪鉆頭油用牙輪鉆頭兩輪牙輪鉆頭新型牙輪鉆頭三輪牙輪鉆頭江漢牙輪鉆頭廢舊三牙輪鉆頭礦用牙輪鉆頭各種牙輪鉆頭水井牙輪鉆頭，江漢三牙輪鉆頭鉆頭牙輪鉆頭牙輪鉆頭銷(xiāo)售橡膠三牙輪鉆頭組裝牙輪鉆頭立林牙輪鉆頭油用牙輪鉆頭礦用牙輪鉆頭兩輪牙輪鉆頭各種牙輪鉆頭等牙輪鉆頭規(guī)格型號(hào)：37/8（98mm),45/8(118mm),57/8(149mm),6(152mm),61/2(165mm),71/2(190mm),77/8(200mm),81/2（216mm),91/2(241mm),97/8(250mm),105/8(269mm),115/8(295mm),121/4(311mm),135/8(346mm),151/2(393mm),16(406mm),171/2(445mm),26(660mm)IADC適用地層Applyformation鉆壓KN/mm轉(zhuǎn)速r/min417.437.447低抗壓強(qiáng)度高可鉆性的及軟地層，如粘土.泥巖.石膏.鹽巖.軟頁(yè)巖.軟石灰?guī)rThel。 詳細(xì)介紹>>