... bit, casing shoe bit, corelifter, corelifter case, core barrel assembly, inner tube head assembly, over shot, hoist plugs ... T2 Series are thin wall double tube core barrel, used for surface exploration, especially mining applications. Due to their ... run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Core barrel assembly NQ, HQ, PQ, NQTT, HQWL, T2, T6, NMLC, HMLC