| Year | 2018 |
| Date | 12-Oct |
| Volume | 221 |
| Issue | 4,597 |
| Page | 577 |
| Category | Workshop |
| Part | 1 |
| Title | A Diversion into Rotary Broaching |
| Author | Ray Griffin |
| Notes | Describes his construction of a rotary broach from a kit of parts but begins by discussing the merits of a digital readout. The broach kit arrives, getting to grips with the DRO, making a start |