Grundomat Thread-On Tail Expander. Stock number: GZ0756463
GRUNDOMAT Tail Piece Expanders provide an economical way to upsize the bore diameter when working in lighter soil conditions. The expander threads directly onto the GRUNDOMAT tool, allowing contractors to increase the bore size without using a separate front-end expander setup.
This bubble-type modular attachment adds extra versatility to GRUNDOMAT pneumatic piercing tools in certain soil conditions where a larger finished bore is needed for pipe, conduit, cable, or utility installation.
Tail piece expanders are available for select GRUNDOMAT models and provide different upsizing diameters depending on the tool size and job requirements.
Available Tail Piece Expanders
| Part Number | GRUNDOMAT Model | Upsize Diameter |
| GZ0756463 | 75P | 90 mm / 3.54 in. |
| GZ0856462 | 85P | 98 mm / 3.85 in. |
| GP0956461 | 95P | 105 mm / 4.13 in. |
| GP1106461 | 110P | 118 mm / 4.65 in. |
| GP1106462 | 110P | 138 mm / 5.43 in. |
| GP1306461 | 130P | 140 mm / 5.51 in. |
Features
- Threads directly onto the GRUNDOMAT tool
- Economical way to increase bore diameter in lighter soils
- Bubble-type modular attachment design
- Adds versatility for certain soil conditions
- Available for select GRUNDOMAT models
- Useful for pipe, conduit, cable, and utility installation jobs
GRUNDOMAT Tail Piece Expanders are a practical accessory for contractors who need a simple, cost-effective way to increase bore diameter while using compatible GRUNDOMAT pneumatic piercing tools.
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