# Pilot drill bit KWB 175166 6.6 cm for concrete granite marble

**URL:** https://aio.lv/en/product--kwb-175166--11438004
**Data updated:** 2026-01-06 11:19 (EET)
**Category:** Home Goods Accessories
**Manufacturer:** KWB
**Manufacturer code:** 175166
**EAN:** 4009311751669
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 43.99 €
**Prices and availability valid until:** 2026-08-13 23:59
**Price without VAT (21%):** 36.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kwb-175166--11438004

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 11.08.2026 | free |
| Pickup points | 14.08.2026 | 1.89 EUR |
| Courier delivery to door | 14.08.2026 | 4.99 EUR |

## Summary description

The KWB 175166 pilot drill bit is designed for drilling in concrete, granite, marble, and other natural stones. With a diameter of 6.6 cm, it is suitable for various drilling applications. The product comes in a blister package and includes one piece. Ideal for both professional and DIY projects.

## Long description

The KWB 175166 pilot drill bit is a tungsten carbide tipped hollow core drill designed for drilling in masonry, natural stone, reconstituted stone, concrete, marble and brick. With a diameter of 6.6 cm, the bit is suitable for creating clean cores for fittings such as electrical sockets and waste pipe installations. The bit is supplied as a single piece in a blister pack and is intended for use in both professional and DIY applications.
Advantages
The drill features specially hardened, specially brazed heat-resistant carbide plates and an impact-resistant construction to improve durability when working with hard materials. Its hollow core design enables efficient material removal and precise core drilling. The tungsten carbide tip ensures sustained cutting performance on abrasive surfaces like granite and concrete.
Suitable for
Drilling openings for electrical sockets
Preparing holes for waste pipes
Core drilling in concrete and masonry
Working with marble, granite and reconstituted stone
Key specifications
Brand: KWB
Model / MPN: 175166
Diameter: 6.6 cm
Tip material: Tungsten carbide
Design: Hollow core, impact resistant
Package: 1 piece, blister
EAN: 4009311751669
How to use
Secure the drill to a compatible hammer drill or core drilling machine according to the machine manufacturer’s instructions. Mark the drilling position, start at low speed to center the bit, then apply steady pressure and increase speed as appropriate for the material. Use water cooling when drilling marble, granite or other natural stones if recommended by the machine or site conditions. Withdraw the core periodically to clear debris and prevent overheating.
Usage recommendations
Use appropriate personal protective equipment (safety glasses, gloves, dust mask) and follow the drill and machine safety instructions. For reinforced concrete or particularly hard stone, use suitable cooling and consider progressive drilling to extend tool life.

## Specifications

| Feature | Value |
|---|---|
| Type | Pilot drill bit |
| Material | Tungsten Carbide Tipped (TCT) |
| Product colour | Grey |
| Diameter | 66 mm |
| Package type | Blister |
| Suitable for | Drill |
| Suitable for materials | Concrete, Granite, Marble, Natural stone, Stone, Tile |
| Number of pieces | 1 pc(s) |
| Heat-resistant | Yes |
| Number of hole saws | 1 pc(s) |

## FAQ

### How much does the Pilot drill bit KWB 175166 cost, and is it available for purchase?

The price is 43.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 11.08.2026 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. 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 KWB 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 KWB 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

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