# Hole Saw DEDRA HW4042 Diameter 4.2 cm 1 pc

**URL:** https://aio.lv/en/product--dedra-hw4042--11276510
**Data updated:** 2026-02-24 11:02 (EET)
**Category:** Drill Bits
**Manufacturer:** Dedra
**Manufacturer code:** HW4042
**EAN:** 5902628816313
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 45.99 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 38.01 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dedra-hw4042--11276510

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.89 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The DEDRA HW4042 hole saw has a diameter of 4.2 cm and comes as a single piece. It is designed for efficient cutting in various materials, providing clean and precise holes. Ideal for both professional and DIY applications, this tool ensures durability and reliability during use.

## Long description

The DEDRA HW4042 hole saw with a 4.2 cm diameter is a single-piece cutting accessory designed for creating clean round openings in a variety of materials. Intended for use with compatible drills and mandrels, this hole saw delivers precise cuts for installations, fixtures, and other tasks that require accurately sized holes. The product is part of the Dedra range of drill accessories and is suitable for both professional tradespeople and home users who need a reliable tool for repetitive hole-making operations.
Advantages
This hole saw provides a consistent 4.2 cm diameter cut and is engineered for durability during standard cutting tasks. Its single-piece construction reduces wobble and improves stability when attached to a drill, contributing to more accurate hole placement. The design facilitates efficient material removal and helps produce clean edges, which reduces the need for additional finishing work. Compatibility with common mandrels and drills makes it a practical addition to an existing toolset.
Suitable for
Cutting round holes in wood
Creating openings in drywall and plasterboard
Installing cable glands, pipes, and small fixtures
Home renovation and carpentry tasks requiring precise 4.2 cm holes
Key specifications
Cutting diameter: 4.2 cm
Quantity: 1 piece
Product type: hole saw (circular cutter)
Intended mounting: drill/mandrel compatible
How to use
Select a compatible mandrel or arbor and secure the hole saw to the drill according to the tool manufacturer’s instructions. Mark the centre of the desired opening on the workpiece, position the pilot bit (if present) or guide the hole saw carefully, and start drilling at low speed to establish the cut. Apply steady pressure and increase speed as the cutter penetrates the material. Retract periodically to clear debris and prevent overheating. After cutting, remove the plug and clean the cut edge as needed.
Usage recommendations
Use appropriate personal protective equipment such as safety glasses, gloves, and dust mask. Match drill speed and feed pressure to the material being cut: lower speeds for metals, moderate speeds for wood and drywall. Ensure secure clamping of the workpiece and allow the hole saw to cool if cutting multiple holes in succession to prolong tool life.

## Specifications

| Feature | Value |
|---|---|
| Diameter | 42 mm |
| Number of pieces | 1 pc(s) |

## FAQ

### How much does the Hole Saw DEDRA HW4042 cost, and is it available for purchase?

The price is 45.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 28 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 06.07.2026 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, 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 Dedra 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 Dedra 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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