# Hole saw DRAUMET Kroņurbis BI-metal 51 mm — model 9032725, bi-metal construction for metal and wood

**URL:** https://aio.lv/en/product--draumet-9032725--10784450
**Data updated:** 2026-03-12 10:13 (EET)
**Category:** Drill Bits
**Manufacturer:** DRAUMET
**Manufacturer code:** 9032725
**EAN:** 4750959032725
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

DRAUMET Kroņurbis BI-metal 51 mm (model 9032725) is a 51 mm bi-metal hole saw designed for cutting through metal and wood. The bi-metal construction combines high-speed steel teeth with a flexible backing for durability and resistance to heat and wear. Suitable for portable drills and drill presses, it is used for creating clean circular openings for pipes, conduits, and installations.

## Long description

Bi-metal hole saw made from HSS tool steel and M2 high-carbon steel, designed for cutting holes with a 51 mm diameter and a drilling depth of 34 mm. The tool features an M14 thread and a HEX mounting method, suitable for use with compatible drills and drivers.
Advantages
The DRAUMET bi-metal hole saw combines wear resistance of HSS tool steel with toughness of M2 high-carbon steel, providing a long service life and clean cutting performance across a range of materials. Its M14 thread and HEX mounting ensure secure attachment and easy installation. The 51 mm diameter and 34 mm cutting depth make it suitable for medium-depth, precision hole cutting.
Suitable for
Drilling in steel and stainless steel
Cutting through non-ferrous metals and aluminium
Making holes in wood and plastics
General-purpose workshop and construction tasks requiring 51 mm holes
Key specifications
Brand: DRAUMET
Model / MPN: 9032725
EAN: 4750959032725
Diameter: 51 mm
Drilling depth: 34 mm
Material: Bi-metal (HSS tool steel + M2 high-carbon steel)
Thread: M14
Mounting: HEX
How to use
Install the hole saw onto a compatible arbor or directly to a drill with M14/HEX mounting, ensuring the connection is secure. Mark the centre of the hole on the workpiece, use a pilot drill if available to improve accuracy, then start drilling at low speed to establish the cut. Apply steady pressure and maintain cooling or lubrication when cutting metals to extend tool life. Withdraw periodically to remove chips and prevent overheating.
Usage recommendations
Use appropriate personal protective equipment, select drill speed and lubrication according to the workpiece material, and avoid excessive side loads to preserve the cutting edge and the arbor mounting.

## FAQ

### What payment options are available?

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### 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 DRAUMET 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 DRAUMET 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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