# CRAFTSMAN V20 Brushless RP 4-1/2 in. Angle Grinder CMCG451B

The CRAFTSMAN V20 Brushless RP CMCG451B is a cordless 4-1/2-inch small angle grinder sold as a tool-only package. Its paddle switch, tool-free guard and three-position side handle suit buyers seeking adjustable handling for general grinding tasks, but the battery and charger are sold separately.

- [Original product page](https://loonieperks.com/product/craftsman-v20-brushless-rp-angle-grinder-cmcg451b)
- [View offer](https://loonieperks.com/visit/craftsman-v20-brushless-rp-angle-grinder-cmcg451b)
- Market: CA
- Language: en-CA
- Currency: CAD
- Brand: CRAFTSMAN
- Model: CMCG451B
- Category: Tools & Garden > Power Tools > Sanders & Grinders
- Price: 90.00 CAD
- Previous price: 189.00 CAD
- Discount: 52%
- Price checked: 2026-11-13T12:34:36.757Z
- Rating: 4.6 / 5
- Reviews: 258

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Brushless motor, with an advertised power increase compared with CRAFTSMAN's brushed CMCG400 grinder.
- Paddle switch and three-position side handle.
- Tool-free guard adjustment.
- VERSATRACK-compatible when used with separately sold clips and wall system.

## Pros

- Tool-free guard adjustment and a three-position handle provide practical ways to adapt the setup for a task.
- Cordless design avoids a power cord at the work area.
- Customer feedback reports good functionality and adequate power for normal tasks.

## Cons

- The tool-only configuration does not include a battery or charger, so buyers without a compatible battery must budget for them separately.

## Specifications

### Identity
- Brand: CRAFTSMAN
- Model: CMCG451B
### Power and battery
- Power configuration: Battery Powered
- Voltage: 20 volts
- Maximum rotational speed: 8500 rpm
### Dimensions and installation
- Dimensions listed: 36.3L x 15.2W x 13.2H centimetres
- Weight listed: 2.35 kg
### Materials and finish
- Material listed: Metal
- Colour: Red

## Before you buy

- The listing describes the grinder as 4-1/2 in. but gives dimensions of 36.3L x 15.2W x 13.2H centimetres and weight of 2.35 kg without clarifying whether those figures include packaging. The 20-volt label refers to maximum initial battery voltage, with nominal voltage stated as 18 volts. The advertised power comparisons use specified CRAFTSMAN brushed-grinder or competitor baselines and test conditions, not an unconditional performance guarantee. The style field names CMCF800C2 while the product model is CMCG451B. Battery runtime varies in customer feedback, and no runtime figure is supplied.

## In the box

- CMCG451 angle grinder (Included)
- Power adapter (Not included): The listing states these are sold separately.

## A good fit for

- CRAFTSMAN V20 owners who already have a compatible battery and charger.
- Buyers wanting a cordless small grinder with a paddle switch, adjustable guard and repositionable side handle.
- General grinding work where an advertised maximum speed of 8500 rpm is relevant.

## Less suited to

- Buyers who need a complete battery-and-charger kit in the box.
- Anyone who needs confirmed runtime figures or quantified output for a particular workload before choosing a grinder.

## Customer feedback

Customer feedback reports that the grinder works well for normal tasks and describes its quality and power positively. Battery-life experiences are mixed, which matters for a cordless tool because no runtime figure is supplied and this package excludes the battery and charger. Aggregate ratings are mostly five-star, but they do not establish how it performs in a specific workload.
- Positive themes: Customers describe the tool as good quality and report that it works well for their needs.
- Positive themes: Feedback describes the power as sufficient for normal tasks.
- Mixed feedback: Customer experiences with battery life are mixed.

## Frequently asked questions

### Are the battery and charger included?
No. The listing identifies this as tool only and says the battery and charger are sold separately.
### What are the grinder's voltage and maximum speed?
The listed values are 20 volts and 8500 rpm. The listing clarifies that 20 volts is maximum initial battery voltage and states nominal voltage is 18 volts.
### Can the guard and side handle be adjusted?
The listing says the guard adjusts without tools and the side handle has three positions.
### Does the grinder work with VERSATRACK?
The listing says it can hang directly on the VERSATRACK wall system using clips, which are sold separately.

## Offer details

- The listing states a 3 Year Limited Warranty.

## Alternative options

- [ATS UGS-2 Bench Grinder Eye Shield Kit, Fits 8-14" Baldor Grinders, Pair \| OSHA safety guards \(pair\). Powder-coated steel bracket, adj. friction hinge, Lexan shields. Complete kit. Made in USA.](https://loonieperks.com/visit/craftsman-v20-brushless-rp-angle-grinder-cmcg451b)
- [TwoWin Router Tool, 110V-120V 800W Compact Wood Router Tool for Woodworking \| Electric Hand Trimmer 1/4" Collets Palm Wood Router Tools Laminate Trimmer + Tungsten Carbide Router Bits 15-Piece Set](https://loonieperks.com/visit/craftsman-v20-brushless-rp-angle-grinder-cmcg451b)
- [AOBEN Cordless Angle Grinder 4-1/2 inch, 21V Battery Grinder Tool, Power Electric Grinders, Brushless Motor, 2x4.0Ah Battery & Fast Charger, for Cutting, Grinding, Polishing](https://loonieperks.com/visit/craftsman-v20-brushless-rp-angle-grinder-cmcg451b)
- [CRAFTSMAN V20 Cordless Brad Nailer Kit, 18GA \(CMCN618C1\)](https://loonieperks.com/visit/craftsman-v20-cmcn618c1-18ga-cordless-brad-nailer-kit)
- [Cordless Angle Grinder Compatible with Milwaukee 18V Battery\(No Battery\) \| 4-1/2"/5" Brushless Grinder Tool, 3 Variable Speed & Slide Lock Switch, Power Grinder for Cutting Grinding Polishing](https://loonieperks.com/visit/craftsman-v20-brushless-rp-angle-grinder-cmcg451b)
- [ARyee LB2X4020 6.0Ah 20V Battery Compatible for Black and Decker 20V Max LBXR20 LB20 LBX20 LBXR2020 LBX4020 LBX4020 Cordless Tools Battery with Porter-Cable 20V Battery Charger PCC685L](https://loonieperks.com/visit/craftsman-v20-brushless-rp-angle-grinder-cmcg451b)
- [Cordless Angle Grinder, 4-1/2" 8500 RPM Cordless Brushless Grinder \| Portable Cordless Angle Grinder with Cutting Wheels for Metal Cutting Polishing and Workshop Use \(Without Battery\)](https://loonieperks.com/visit/craftsman-v20-brushless-rp-angle-grinder-cmcg451b)
- [CRAFTSMAN CMCN616C1 V20\* 16GA CORDLESS FINISH NAILER KIT](https://loonieperks.com/visit/craftsman-v20-brushless-rp-angle-grinder-cmcg451b)
- [BLACK+DECKER Angle Grinder Tool, 4-1/2-Inch, 6.0 - Amp \(BDEG400\)](https://loonieperks.com/visit/craftsman-v20-brushless-rp-angle-grinder-cmcg451b)
- [Impact Wrench Cordless 1/2 Inch, 1328Ft-lbs \(1800N.m\) Brushless High Torque Impact Gun, 4-Speed with 2X 4000mAh & Full Accessory Kit Batteries for Mechanics/Car Repair](https://loonieperks.com/visit/craftsman-v20-brushless-rp-angle-grinder-cmcg451b)
- [Laimiao Battery Adapter for Craftsman 20V Cordless Tools,DM18MAN Adaptor for DeWalt 20V and for Milwaukee 18V Battery Convert to for Craftsman New 20V Power Tool,Battery Replacement,Red](https://loonieperks.com/visit/craftsman-v20-brushless-rp-angle-grinder-cmcg451b)
- [BLACK+DECKER 20V MAX Cordless Drill and Impact Driver, Power Tool Combo Kit with Battery and Charger \(BD2KITCDDI\)](https://loonieperks.com/visit/craftsman-v20-brushless-rp-angle-grinder-cmcg451b)

## Add-ons

- [2Pack 20V 6500mAh CMCB204 Replacement Craftman V20 Craftsman 20V Lithium Battery and Charger Kit, for CMCB204 CMCB206 CMCB202 CMCB100 CMCB124 + CMCB104 Craftsman 20V Battery Charger](https://loonieperks.com/visit/craftsman-v20-brushless-rp-angle-grinder-cmcg451b)
- [CRAFTSMAN V20 RP Cordless Circular Saw, 7-1/4 inch, Bare Tool Only \(CMCS551B\)](https://loonieperks.com/visit/craftsman-v20-rp-cmcs551b-cordless-circular-saw)

## Images

![CRAFTSMAN V20 Brushless RP 4-1/2 in. Angle Grinder CMCG451B — 1](https://loonieperks.com/i/40FnT3xCJvCCS09weTJ6V-2c6P74ndDsNi8P4uTxknXvXfcR_PHG_bcRv8xpdrweoCubLhajZeMlZb8JBg-BFKFuluV3doZV5vSzit71ivLFLRgZllx_5w6l.jpg)

![CRAFTSMAN V20 Brushless RP 4-1/2 in. Angle Grinder CMCG451B — 2](https://loonieperks.com/i/Xx_8w_98VJ9eqK8bi3C73IvyQ6bOAv6XyKxX3i9DC92XR7iHsltSFzfS17-5e5ZnBOqX2ufygPa3aVlB8EbCFRFWCZfo835n7Ei8MQfaAQj_dzTVTGTfDSDl.jpg)

![CRAFTSMAN V20 Brushless RP 4-1/2 in. Angle Grinder CMCG451B — 3](https://loonieperks.com/i/HMG9o9v7LHprv8UFHQHuAwExJ-63-3aIaXMz5OKDoZPFXKpzhON3OzC4PSFiG2WAOFgCm63uC4U-HmAgWeKJZdGQjp1gQ5kdKqTkidJz40qjoCw48miG8avK.jpg)

![CRAFTSMAN V20 Brushless RP 4-1/2 in. Angle Grinder CMCG451B — 4](https://loonieperks.com/i/ozKq_Dm8h9-mz0RsK9cvJiVQEyUe7akpXQGcBWzscs6D4S3MqVrP4ivTffHN1VRdr9svOKuTRQ5HRQUuwm-Pdu28wTYgxzvNcP_Qps4GSAjt2io2Wic61mDG.jpg)

![CRAFTSMAN V20 Brushless RP 4-1/2 in. Angle Grinder CMCG451B — 5](https://loonieperks.com/i/nXRxwINz5Wdm185ZEswyCCCVOa95Oc4uCOZ3Tqv1jSdISKysQzJQ4vgX_9YTFes5PLuwj3d46VeHu3ZfhdwLFvrpq07hLM62mQn5s7bKENrqur4oxPAOn_4q.jpg)

![CRAFTSMAN V20 Brushless RP 4-1/2 in. Angle Grinder CMCG451B — 6](https://loonieperks.com/i/5XlTa2lcBnI8dEjPnPaDOdkMcJPcL39cgrAdq1SWNSy9fKmgDjEY3Y2bE_waPn3viP7-JrdCbmY8PB8VqkdoJ-DBY4xFvVek8Og23TY6UdsJXiKZAKXGT7Bs.jpg)

![CRAFTSMAN V20 Brushless RP 4-1/2 in. Angle Grinder CMCG451B — 7](https://loonieperks.com/i/E9MfYJINqAk5QRIiXHJJBhIZ2PG-JXGlKQ62zVSR-_0GZFlsBn_VNldr4VckD6AMTKD1tuRXnEQzxCOC0Ns7Z1eg93pG2cOwL_BDoMvWbWz74uklGJWhE0Lc.jpg)