All types single,double tube BQ NQ HQ PQ reaming shells,customized impregnated,surface set diamond reaming shells

Diamond reaming shell are important tools to be used together with bits.It's main function are maintaining borehole gage.Improving drill string stability and protecting lower drill string from excessive wear.

Helical type reaming shell provides a good passage for drilling fluids.The oof,and its service life long.

Size Available:

Qseries:AQ,BQ,NQ,HQ，PQ，BQ3，NQ3/NQTT,NQ2,HQ3/HQTT,PQ3/PQTT

T2 Series: T2 46,T2 56,T2 66,T2 76,T2 86,T2 101

T6 Series: T6 76,T6 86,T6 101,T6 116,T6 131,T6 146, T6S 101

T Series: T36,T46,T56,T66,T76,T86

Z Series: Z46,Z56,Z66,Z76,Z86,Z101,Z116,Z131,Z146

B Series: B36,B46,B56,B66,B76,B86,B101,B116,B131,B146

WF Series: HWF,PWF,SWF,UWF,ZWF

WT Series: RWT,EWT,AWT,BWT,NWT,HWT

WM Series: EWM,AWM,BWM,NWM

WG Series: EWG,AWG,BWG,NWG,HWG

Others: NMLC,HMLC,LTK48,LTK60,BGM,NGM,ADBG,TBW,TNW,

ATW,BTW,NTW,NXD3,AX,NX,NXC,AXT,T6H,4 9/16,NWD4,412F,SK6L146,

TT46,TB56,TS116,CHD10