Metabo HPT G12SR4 Angle Grinder 4-1/2 Inch
- Maximum Rotational Speed: 12000 rpm
- Power Source: Corded Electric
- Material Type: Blend
- Manufacturer Warranty Description: 1 year warranty
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A compact corded angle grinder spinning at 12,000 RPM in a 4 pound, slim-body build, a workable choice for shop grinding and cutting tasks near an outlet.
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ASIN: B07L21GNHLModel: G12SR4Category: Power Grinders
Overview
Metabo's G12SR4 spins at a fixed 12,000 RPM on corded 120 volt power, weighing 4 pounds in a slim 10.15 by 4.5 by 2 inch body built for one-handed grinding and cutting.
This model carries the Metabo HPT lineage, formerly sold under the Hitachi name, a line known for compact 4.5 inch angle grinders. Amperage is not listed in the spec data here, so motor draw is unconfirmed beyond the 12,000 RPM speed rating.
- 12,000 RPM speed
- 120 volt corded power
- 4 pound weight
- 10.15 x 4.5 x 2 inch body
Who it's for
Works well for users doing metal grinding, cutting, or surface prep who want a corded grinder with a slim, one-handed grip. Less suited to job sites without ready power access, since it has no battery option.
Pros and cons
- 12,000 RPM fixed speed for consistent cutting
- Slim 2 inch body width aids grip
- No battery to manage during long sessions
- Corded design limits mobility away from outlets
- Amperage rating not listed in available specs
Performance notes
A fixed 12,000 RPM speed on corded 120 volt power gives consistent cutting and grinding speed without battery drain over long sessions, and the slim 2 inch body width helps with grip and control in tight spaces.
Specifications
| Brand | Metabo HPT |
|---|---|
| Model | G12SR4 |
| Dimensions & fit | |
| Item Weight | 4 poundshigher than 55% of 107 power grinders |
| Item Dimensions L X W X H | 10.2 × 4.5 × 2 inches |
| Capacity & performance | |
| Maximum Rotational Speed | 12000 rpmhigher than 57% of 122 power grinders |
| Power & efficiency | |
| Power Source | Corded Electric |
| Voltage | 120 voltshigher than 52% of 103 power grinders |
| Construction & materials | |
| Material Type | Blend |
| Color | Green,black |
| Included components | |
| Unit Count | 1 |
| Included Components | G12SR4, 5 Grinding Wheels, Case |
| Warranty & support | |
| Manufacturer Warranty Description | 1 year warranty |
| Other details | |
| Style Name | G12SR4 Only |
| Item Type Name | Angle Grinder |
Closest rivals on specs
Frequently asked questions
What speed does the Metabo G12SR4 run at?
A fixed 12,000 RPM on 120 volt corded power.
How much does the Metabo G12SR4 weigh?
4 pounds, with a slim 10.15 x 4.5 x 2 inch body.
Is the Metabo G12SR4 cordless?
No, it is a corded electric grinder with no battery option.