# Masonry drill bit KWB 5 mm (model 421005) – 1 pc

**URL:** https://aio.lv/en/product--kwb-421005--3941897
**Data updated:** 2026-02-16 12:52 (EET)
**Category:** Drill Bits
**Manufacturer:** KWB
**Manufacturer code:** 421005
**EAN:** 4009314210057
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 16.49 €
**Prices and availability valid until:** 2026-07-07 23:59
**Price without VAT (21%):** 13.63 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kwb-421005--3941897

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

KWB masonry drill bit, model 421005, 5 mm diameter, single piece. Designed for drilling into masonry materials such as brick, concrete and stone with rotary drills. Suitable for repair, installation and construction tasks that require accurate 5 mm holes. Provides straightforward use with compatible drills for professional and DIY applications.

## Long description

kwb 421005 masonry drill bit with a 1/4" hexagon shank designed for use with cordless and mains drills as well as bitholders. The 5 mm diameter bit features a tungsten carbide tip brazed at high temperature and a smoothly formed half‑round spiral for efficient waste removal. The shaft is phosphated to resist corrosion and the bit is suitable for drilling into masonry, natural and artificial stone, and limestone.
Advantages
The 1/4" hexagon shank to ISO 1173 (E 6.3) ensures secure seating in chucks and quick bit changes. Tungsten carbide tip provides wear resistance and maintains cutting performance in abrasive materials. The half‑round spiral flute optimizes dust extraction for cleaner, faster drilling. Phosphated surface treatment improves corrosion resistance during storage and use.
Suitable for
Drilling holes in masonry (brick, block, concrete)
Drilling into natural stone and artificial stone
Drilling into limestone
Key specifications
Type: Masonry drill bit
Shank: 1/4" hexagon (ISO 1173 E 6.3)
Tip material: Tungsten carbide, high‑temperature brazed
Diameter: 5 mm
Flute: Half‑round spiral for waste removal
Surface finish: Phosphated
Quantity: 1 piece
How to use
Secure the drill bit in a compatible 1/4" hex chuck or bitholder. Select an appropriate drill and speed for masonry materials and apply steady pressure while allowing the bit to cut; avoid excessive side load. Withdraw periodically to clear debris and allow dust removal through the spiral flute. For deeper holes, clear the bore frequently to maintain drilling efficiency.
Usage recommendations
Use appropriate personal protective equipment (safety glasses, dust mask) and, where possible, use dust extraction or wet drilling to reduce airborne particles. Match drill speed to the material: moderate speeds for masonry and stone. Replace the bit when the carbide tip shows significant wear to maintain drilling quality.

## Specifications

| Feature | Value |
|---|---|
| Length | 60 mm |
| Proper use | Drill |
| Working length | 45 mm |
| Suitable for materials | Aerated concrete, Artificial stone, Limestone, Masonry, Natural stone |
| Drill bit diameter | 5 mm |
| Shank shape | Hex shank |
| Number of drill bits | 1 pc(s) |
| Drill bit type | Masonry drill bit |

## FAQ

### How much does the Masonry drill bit KWB 5 mm 421005 cost, and is it available for purchase?

The price is 16.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 08.07.2026 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

https://aio.lv/img/cache/product/3941897/58611160_large.webp