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)
GZ0956461 95 ZS 112 4.41
GZ1106461 110 ZSK 118 4.65
GZ1106462 110 ZSK 138 5.43
GZ1306461 130 Z 140 5.51
tread on