Sinodrills Coring Drill Rods and Casing
Drill rod sizes: BQ, NQ, HQ, PQ, AWJ, BWJ, NWJ, KWJ, HWJ, RW, EW, AW, BW, NW, HW;
Casing sizes: (W series) RW,EW,AW, BW, NW, HW,PW, SW, UW, ZW/HWT, PWT, (Metric series)46,56,76,86,101,116,131,146,(X design) RX,EX,AX,BX,NX,HX,PX,SX,UX,ZX