# Dremel 4300 Variable Speed Corded Rotary Tool vs Bosch Professional GRO 12V-35 Cordless Rotary Tool: specs and price compared

A sourced, side-by-side comparison of the Dremel 4300 Variable Speed Corded Rotary Tool (Dremel) and Bosch Professional GRO 12V-35 Cordless Rotary Tool (Bosch) among rotary tools.

## Side by side

| Spec | Dremel 4300 Variable Speed Corded Rotary Tool | Bosch Professional GRO 12V-35 Cordless Rotary Tool |
| --- | --- | --- |
| US price | $134 | not published |
| Brand | Dremel | Bosch |
| Released | 2017 | — |
| Power source | corded | cordless |
| Amps or voltage | 1.8 A | 12 V |
| Speed range (rpm) | 5,000–35,000 RPM | 5,000–35,000 RPM |
| Max (rpm) | 35000 | 35000 |
| Variable speed | Yes | Yes |
| Brushless | No | — |
| Ez change accessories | Yes | No |
| Included accessories count | 40 | — |

## Key differences

- Power source: Dremel 4300 Variable Speed Corded Rotary Tool corded vs Bosch Professional GRO 12V-35 Cordless Rotary Tool cordless
- Amps or voltage: Dremel 4300 Variable Speed Corded Rotary Tool 1.8 A vs Bosch Professional GRO 12V-35 Cordless Rotary Tool 12 V
- Ez change accessories: Dremel 4300 Variable Speed Corded Rotary Tool Yes vs Bosch Professional GRO 12V-35 Cordless Rotary Tool No

## What reviewers say

**Dremel 4300 Variable Speed Corded Rotary Tool** — Only one whitelisted tester, Pro Tool Reviews, covers this exact model, naming the corded Dremel 4300-5/40 its best overall rotary tool for power and flexibility and praising its keyless chuck. The verdict is qualitative with no tester-measured lab figures. The lone knock is bulk. (1 sourced review.)

## Sources

- Dremel 4300 Variable Speed Corded Rotary Tool: https://www.prnewswire.com/news-releases/the-dremel-brand-debuts-their-most-versatile-tool-the-dremel-4300-300401043.html (prnewswire.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/dremel-4300-vs-bosch-gro-12v-35/
Cite: Per The Front Desk Review, Dremel 4300 Variable Speed Corded Rotary Tool ($134) vs Bosch Professional GRO 12V-35 Cordless Rotary Tool (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/rotary-tools/dremel-4300-vs-bosch-gro-12v-35/
License: CC BY 4.0.