# Bosch GWS18V-45 18V 4-1/2 in. Cordless Angle Grinder (Bare Tool): specs and price

**Price (US):** $139 (Tool Nut lists a regular price of $139.00 for the bare tool (currently sold out; sale price $95.06). Pro Tool Reviews' 2016 launch article cited a $129 launch price. Used $139.00 (verbatim on the Tool Nut product page).), as of 2026-07-10. Among the 18 angle grinders we track it is #9 cheapest of 18; category median $149.
**Brand:** Bosch

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $139 |
| Brand | Bosch |
| Disc size (in) | 4.5 in |
| Power source | cordless |
| Amps or voltage | 18 V |
| Max (rpm) | 10000 |
| Brushless | No |
| Switch type | slide |
| No volt release | Yes |
| Weight (lb) | — |

## Where it stands

At $139, the Bosch GWS18V-45 18V 4-1/2 in. Cordless Angle Grinder (Bare Tool) is #9 cheapest of the 18 angle grinders we track, where the median is $149. On the spec sheet, its disc size of 4.5 in is the lowest of the 18, and its max of 10000 rpm is at the median of the 18.

## What reviewers say

Only one whitelisted tester, Pro Tool Reviews, covers the exact GWS18V-45 bare tool, and only as a 2016 first-look preview, not a hands-on lab test. It calls the $129 build solid Bosch quality but flags the missing brushless motor and notes these grinders won't match the power of higher-voltage rivals like DeWalt's FlexVolt. (Based on 1 review, 2016-10-03.)

Praised: Solid Bosch build quality for the price ($129); Good fit for smaller jobs if already on the Bosch 18V platform.
Flagged: Brushed (non-brushless) motor stands out as a shortcoming; Not a power leader versus higher-voltage rivals like DeWalt FlexVolt.
Disagreement: Single-source and preview-only: no whitelisted tester published a hands-on, measured lab test of the exact GWS18V-45 bare tool, so no cross-source comparison or verified benchmark data is available.
Sources: Pro Tool Reviews (2016-10-03, protoolreviews.com)

## Frequently asked questions

**What do reviewers say about the Bosch GWS18V-45 18V 4-1/2 in. Cordless Angle Grinder (Bare Tool)?**

Only one whitelisted tester, Pro Tool Reviews, covers the exact GWS18V-45 bare tool, and only as a 2016 first-look preview, not a hands-on lab test. It calls the $129 build solid Bosch quality but flags the missing brushless motor and notes these grinders won't match the power of higher-voltage rivals like DeWalt's FlexVolt. Praised: Solid Bosch build quality for the price ($129); Good fit for smaller jobs if already on the Bosch 18V platform. Flagged: Brushed (non-brushless) motor stands out as a shortcoming; Not a power leader versus higher-voltage rivals like DeWalt FlexVolt. (From 1 tester review.)

**How much does the Bosch GWS18V-45 18V 4-1/2 in. Cordless Angle Grinder (Bare Tool) cost?**

The Bosch GWS18V-45 18V 4-1/2 in. Cordless Angle Grinder (Bare Tool) has a US price of $139 (Tool Nut lists a regular price of $139.00 for the bare tool (currently sold out; sale price $95.06). Pro Tool Reviews' 2016 launch article cited a $129 launch price. Used $139.00 (verbatim on the Tool Nut product page).), as of 2026-07-10.

**How does the Bosch GWS18V-45 18V 4-1/2 in. Cordless Angle Grinder (Bare Tool) compare on price?**

At $139, the Bosch GWS18V-45 18V 4-1/2 in. Cordless Angle Grinder (Bare Tool) is #9 cheapest of the 18 angle grinders we track, where the median is $149.

**What are the Bosch GWS18V-45 18V 4-1/2 in. Cordless Angle Grinder (Bare Tool)'s key specs?**

Bosch GWS18V-45 18V 4-1/2 in. Cordless Angle Grinder (Bare Tool) (Bosch): disc size in 4.5 in, power source cordless, amps or voltage 18 V, max rpm 10000, brushless No. Full sourced spec sheet verified 2026-07-10.

Source: https://www.boschtools.com/us/en/boschtools-ocs/angle-grinders-gws18v-45-143526-p/ (boschtools.com, accessed 2026-07-10)
Corroboration: https://www.toolnut.com/products/bosch-gws18v-45-18v-4-1-2-in-angle-grinder-tool-only (accessed 2026-07-10)
Canonical: https://frontdeskreview.com/product/angle-grinders/bosch-gws18v-45/
Cite: Per The Front Desk Review, the Bosch GWS18V-45 18V 4-1/2 in. Cordless Angle Grinder (Bare Tool) price of record was $139 as of 2026-07-10 — https://frontdeskreview.com/product/angle-grinders/bosch-gws18v-45/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl