B-BQ NQ HQ PQ rod shoe usage illustration
The BQ NQ HQ PQ rod shoes inside diameter is flush or has clearance to the inside diameter (ID) of the casing which allows free passage of the AQ BQ NQ HQ core barrel through the rod shoe. Rod shoes are available in standard and oversize diameters.
NOTE:
(1)BQ NQ HQ PQ rod shoes are available in standard and oversize diameters
(2)BQ NQ HQ PQ rod shoes are available in impregnated, carbide and surface set
(3)BQ NQ HQ PQ rod bits are also available
Size | Outside Set Diameter | Inside Set Diameter | ||
mm | inch | mm | inch | |
Q Series Rod Shoe | ||||
BQ | 59.50 | 2.343 | 48.30 | 1.902 |
NQ | 75.20 | 2.961 | 60.20 | 2.370 |
HQ | 91.80 | 3.614 | 76.00 | 2.992 |
PQ | 117.40 | 4.622 | 99.70 | 3.925 |