# Black+Decker RTX-B 3-Speed RTX Rotary Tool vs Bosch Professional GRO 12V-35 Cordless Rotary Tool: specs and price compared

A sourced, side-by-side comparison of the Black+Decker RTX-B 3-Speed RTX Rotary Tool (Black+Decker) and Bosch Professional GRO 12V-35 Cordless Rotary Tool (Bosch) among rotary tools.

## Side by side

| Spec | Black+Decker RTX-B 3-Speed RTX Rotary Tool | Bosch Professional GRO 12V-35 Cordless Rotary Tool |
| --- | --- | --- |
| US price | $42.71 | not published |
| Brand | Black+Decker | Bosch |
| Power source | corded | cordless |
| Amps or voltage | 2 A / 120 V | 12 V |
| Speed range (rpm) | 12,000 / 24,000 / 30,000 RPM (3 fixed speeds) | 5,000–35,000 RPM |
| Max (rpm) | 30000 | 35000 |
| Variable speed | No | Yes |
| Brushless | No | — |
| Ez change accessories | No | No |
| Included accessories count | 5 | — |

## Key differences

- Power source: Black+Decker RTX-B 3-Speed RTX Rotary Tool corded vs Bosch Professional GRO 12V-35 Cordless Rotary Tool cordless
- Amps or voltage: Black+Decker RTX-B 3-Speed RTX Rotary Tool 2 A / 120 V vs Bosch Professional GRO 12V-35 Cordless Rotary Tool 12 V
- Speed range (rpm): Black+Decker RTX-B 3-Speed RTX Rotary Tool 12,000 / 24,000 / 30,000 RPM (3 fixed speeds) vs Bosch Professional GRO 12V-35 Cordless Rotary Tool 5,000–35,000 RPM
- Max (rpm): Black+Decker RTX-B 3-Speed RTX Rotary Tool 30000 vs Bosch Professional GRO 12V-35 Cordless Rotary Tool 35000
- Variable speed: Black+Decker RTX-B 3-Speed RTX Rotary Tool No vs Bosch Professional GRO 12V-35 Cordless Rotary Tool Yes

## Sources

- Black+Decker RTX-B 3-Speed RTX Rotary Tool: https://www.toolboxsupply.com/products/black-decker-rtx-b-3-speed-rtx-rotary-tool-kit (toolboxsupply.com, verified 2026-06-20)
- Bosch Professional GRO 12V-35 Cordless Rotary Tool: https://www.bosch-professional.com/eg/en/products/gro-12v-35-06019C5001 (bosch-professional.com, verified 2026-07-10)

Canonical: https://frontdeskreview.com/gear/rotary-tools/black-decker-rtx-b-vs-bosch-gro-12v-35/
Cite: Per The Front Desk Review, Black+Decker RTX-B 3-Speed RTX Rotary Tool ($42.71) vs Bosch Professional GRO 12V-35 Cordless Rotary Tool (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/rotary-tools/black-decker-rtx-b-vs-bosch-gro-12v-35/
License: CC BY 4.0.