# Makita D-79902 Diamond Core Bit 5mm M14

**URL:** https://aio.lv/en/product--makita-d-79902--12511242
**Data updated:** 2026-06-10 09:32 (EEST)
**Category:** Drill Bits
**Manufacturer:** Makita
**Manufacturer code:** D-79902
**EAN:** 0197050358080
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 13.99 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 11.56 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--makita-d-79902--12511242

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Friday | free |
| Pickup points | 08.07.2026 | 1.89 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

The Makita D-79902 is a high-quality 5mm diamond core bit featuring an M14 connection. Designed for precision drilling in hard materials, this core bit ensures efficient performance and durability. It is an essential tool for professional construction and renovation tasks, providing clean and accurate holes in various surfaces. Compatible with standard angle grinders, it offers reliable results for demanding drilling applications.

## Long description

The Makita D-79902 Diamond Core Bit is a precision-engineered tool designed for drilling clean and accurate holes in hard materials. With a diameter of 5mm and a standard M14 connection, this core bit is built for compatibility with most angle grinders, making it a versatile addition to any professional toolkit. Its robust steel construction ensures long-lasting performance and reliability during intensive drilling tasks in construction and renovation projects.
Advantages
This diamond core bit offers exceptional durability and efficiency when working with demanding materials. The high-quality diamond coating allows for smooth material penetration, reducing the risk of surface damage and ensuring precise hole placement. Its compact 5mm size is ideal for specialized applications where accuracy is paramount, while the M14 thread provides a secure and stable connection to power tools, minimizing vibrations during operation.
Suitable for
Drilling precise holes in ceramic tiles
Working with natural stone and porcelain
Professional renovation and construction tasks
Installation of fixtures and anchors
When it may not be suitable
This core bit is specifically designed for hard materials and may not be suitable for drilling into soft wood, plastic, or thick metal sheets, as these materials can clog the diamond segments or cause overheating. It is not intended for use with hammer drills or tools without an M14 spindle connection.
Key specifications
Diameter: 5mm
Connection type: M14 thread
Material: Steel body with diamond coating
Compatibility: Standard angle grinders
How to use
To use the Makita diamond core bit, securely attach it to the M14 spindle of your angle grinder. Ensure the tool is unplugged or the battery is removed during installation. Start the drilling process at a slight angle to establish the initial cut, then gradually straighten the tool to a perpendicular position. Maintain steady, light pressure and allow the diamond segments to do the work. It is recommended to use the tool at the appropriate speed settings for the material being drilled.
What to consider before purchase
Ensure your angle grinder supports the M14 connection standard
Verify the material hardness is compatible with diamond-tipped tools
Consider the need for cooling if drilling deep holes
Check the warranty terms for your specific usage requirements
Usage recommendations
For optimal results and to extend the lifespan of the diamond core bit, avoid applying excessive force. Use a consistent, light pressure and periodically lift the bit from the hole to clear debris and allow for cooling. Always wear appropriate personal protective equipment, including safety glasses and respiratory protection, when drilling.

## FAQ

### How much does the Makita D-79902 Diamond Core Bit 5mm M14 cost, and is it available for purchase?

The price is 13.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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 Friday 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. All transactions are 100% secure and encrypted.

### 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 Makita 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 Makita 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

## Image

https://aio.lv/img/cache/product/12511242/68855460_large.webp