Tailpiece expander threads on to the Grundomat tool providing an economical way of upsizing the bore diameter in lighter soils. This bubble-type modular attachment provides additional versatility for Grundomat in certain soil conditions.

tail expand
Part Number Grundomat Model Upsizes (mm) Upsizes (in)
GZ0756463 75 P 90 3.54
GZ0856462 85 P 98 3.85
GP0956461 95 P 105 4.133
GP1106461 110 P 118 4.65
GP1106462 110 P 138 5.43
GP1306461 130 Z 140 5.51
tread on