# Angle Grinder CAT DX31B 12.5 cm 8500 RPM Brushless Motor

**URL:** https://aio.lv/en/product--cat-dx31b--4577688
**Data updated:** 2026-01-13 21:24 (EET)
**Category:** Grinding & Sanding Machines
**Manufacturer:** CAT
**Manufacturer code:** DX31B
**EAN:** 6943475885038
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 151.49 €
**Prices and availability valid until:** 2026-07-09 23:59
**Price without VAT (21%):** 125.20 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--cat-dx31b--4577688

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.06.2026 | free |
| Pickup points | 02.07.2026 | 1.99 EUR |
| Courier delivery to door | 02.07.2026 | 4.99 EUR |

## Summary description

The CAT DX31B angle grinder features a brushless motor, 12.5 cm grinding disc, and a maximum idle speed of 8500 RPM. Weighing 4.4 kg, it is powered by an 18 V Lithium-Ion battery, making it ideal for various grinding tasks. The bore size is 2.22 cm, ensuring compatibility with standard accessories.

## Long description

The CAT DX31B angle grinder combines a brushless motor with a 12.5 cm grinding disc and a maximum no-load speed of 8500 RPM. Designed for use with an 18 V Lithium‑Ion battery, this cordless grinder offers a balance of performance and portability for grinding, cutting and surface preparation. The unit has a 2.22 cm bore to accept standard accessories and comes in the brand’s characteristic yellow and black finish. With a declared weight of 4.4 kg, the tool is intended for professional and demanding DIY tasks where cordless operation and sustained speed are required.
Advantages
The brushless motor delivers improved efficiency, reduced maintenance and longer runtime compared with brushed alternatives. The 12.5 cm disc size provides a compact working profile suitable for confined spaces while still enabling effective material removal. A maximum idle speed of 8500 RPM ensures consistent cutting and grinding performance across a range of attachments. Cordless operation on an 18 V Lithium‑Ion battery removes the need for a power cable and increases mobility on job sites. The 2.22 cm bore offers compatibility with common discs and accessory systems, simplifying setup and replacement.
Suitable for (tasks / use cases)
 Metal cutting and edge grinding
 Removing rust, paint and weld spatter
 Masonry cutting with appropriate discs
 Sanding and surface preparation on small to medium areas
 On‑site repairs and maintenance where cordless mobility is needed
Key specifications
 Disc diameter: 12.5 cm
 Maximum no-load speed: 8500 RPM
 Motor type: brushless
 Power source: 18 V Lithium‑Ion battery
 Bore size: 2.22 cm
 Weight: 4.4 kg
 Colour: yellow and black
How to use
Fit a compatible 12.5 cm disc onto the 2.22 cm bore and secure it according to the accessory manufacturer’s instructions. Install a charged 18 V Lithium‑Ion battery and verify the grinder’s guard and side handle are correctly positioned. Start the tool and allow it to reach operating speed before engaging the workpiece; maintain steady, controlled movements and avoid applying excessive force. After use, allow the disc to stop completely, remove the battery, and inspect the disc and tool for wear or damage. Follow all safety instructions in the user manual and use appropriate personal protective equipment.
Usage recommendations
Use discs and accessories rated for 8500 RPM or higher and choose material‑specific abrasive types for best results. For prolonged work, keep spare batteries charged and rotate them to maintain consistent performance. Regularly clean vents and inspect the brushless motor housing for debris to preserve cooling and airflow. Always consult safety guidelines for eye, ear and hand protection when operating an angle grinder.

## Specifications

### Packaging content

| Feature | Value |
|---|---|
| Battery charger included | No |
| Auxiliary handle | Yes |
| Battery included | No |
| Wrench included | Yes |
| Protective guard | Yes |

### Power

| Feature | Value |
|---|---|
| Power source | Battery |
| Battery voltage | 18 V |
| Removable battery | Yes |

### Features

| Feature | Value |
|---|---|
| Product colour | Yellow, Black |
| Motor type | Brushless motor |
| Adjustable speed | No |
| Number of handle positions | 3 |
| Tool-free protective guard | Yes |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium-Ion (Li-Ion) |

### Technical details

| Feature | Value |
|---|---|
| Soft grip | Yes |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 4.4 kg |

### Performance

| Feature | Value |
|---|---|
| Grinding disc diameter | 125 mm |
| Bore size | 22.2 mm |
| Idle speed (max) | 8500 RPM |

## FAQ

### How much does the Angle Grinder CAT DX31B cost, and is it available for purchase?

The price is 151.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 29.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Angle Grinder CAT DX31B be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All CAT products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized CAT service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/4577688/64837839_large.webp