Replaces the stepped head converting the Grundomat to a non-reciprocating machine. The cone may increase boring speed when accuracy is not as critical.
| Part Number | Grundomat Model |
|---|---|
| GE0455006 | 45 P |
| GS0555007 | 55 P |
| GE0655006 | 65 P |
| GZ0755006 | 75 P |
| GP0855006 | 85 P |
| GE0955006 | 95 P |

