# Foredom Rotary Tool

## Foredom Rotary Tool

##### Flex-Shaft Rotary Tool

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[![Tool image](https://wiki.spen.cc/uploads/images/gallery/2026-02/scaled-1680-/image-placeholder-title.avif)](https://wiki.spen.cc/uploads/images/gallery/2026-02/image-placeholder-title.avif)

<p class="callout danger">This tool is restricted to Makerspace Members, and requires a training before use. Request a training on Slack: #class-requests</p>

<table border="1" id="bkmrk-model-nohp4-917-date" style="border-collapse: collapse; width: 43.6905%;"><colgroup><col style="width: 43.9779%;"></col><col style="width: 56.0221%;"></col></colgroup><tbody><tr><td>Model No</td><td>HP4-917</td></tr><tr><td>Date Purchased</td><td>—</td></tr><tr><td>Status</td><td>Operational</td></tr><tr><td>Link To Manual</td><td>[Foredom document downloads](https://www.foredom.net/document-downloads/)</td></tr><tr><td>Link to product page</td><td>[HP4-917 control unit](https://www.foredom.net/product/brush-type-control-unit-110-120-volt-or-220-240-volt/)</td></tr></tbody></table>

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#### Description

Foredom flex-shaft system (HP4-917 control) for carving, grinding, and polishing. Foot pedal speed control; secure work in a vise or holder.

#### Specifications (HP4-917 control)

<table border="1" id="bkmrk-outputdc-30-v-%2F-1.2-" style="border-collapse: collapse; width: 65%;"><tbody><tr><td>**Output**</td><td>DC 30 V / 1.2 A</td></tr><tr><td>**Input voltage**</td><td>110/120 or 220/240 V (selector on rear)</td></tr><tr><td>**Control size**</td><td>~4.4 × 5.8 × 3.8 in</td></tr><tr><td>**Features**</td><td>Forward/reverse, manual/foot speed, overload protection</td></tr><tr><td>**Typical kits**</td><td>K.1020, K.1070, K.1080, K.1090 (brush-type micromotor)</td></tr></tbody></table>

#### Additional Resources

- [Manuals (K.1070 rotary, HP4-917)](https://www.foredom.net/document-downloads/)
- [HP4-917 product page](https://www.foredom.net/product/brush-type-control-unit-110-120-volt-or-220-240-volt/)