... 1. Manufacturer of Reaming Shells 2. Over 30 years Experiences 3. Protect borehole without hole shrinka ReamerDiamond Reaming ShellReaming shells are ... , T76, T86, TEW, TBW, TNWWF SeriesHWF, PWF, SWF, UWF, ZWF WT Series RWT, EWT, AWT, BWT, NWT, HWT (Single Tube/Double ... are warmly accepted according to specific customers requirements. 3C (4-3/8" diameter) Diamond Reamer