# Centering drill bit set Rittal 4050.815, M8 thread support, for aluminium/plastic/stainless steel/steel, 3 pieces

**URL:** https://aio.lv/en/product--rittal-4050815--12401085
**Data updated:** 2026-04-29 13:49 (EEST)
**Category:** Drill Bits
**Manufacturer:** Rittal
**Manufacturer code:** 4050815
**EAN:** 4028177704107
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 190.49 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 157.43 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rittal-4050815--12401085

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.99 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

Rittal 4050.815 centering drill bit set of 3 pieces designed for creating precise pilot holes and centered starts for threading operations. Suitable for aluminium, plastic, stainless steel and steel, the bits support M8 thread size. Ideal for panel work, enclosure fabrication and preparatory drilling before tapping.

## Long description

Rittal 4050.815 is a set of three centering drill bits designed to produce accurate pilot holes and centered starts for M8 threading operations. Intended for use on aluminium, plastic, stainless steel and general steel, these bits support preparatory drilling for tapping and improve alignment when working on panels, enclosures and sheet components.
Advantages
The set provides consistent centering to reduce thread misalignment and tool walking. With three pieces included, users have spare bits available for repeated tasks or replacement. Compatibility with multiple materials—aluminium, plastic, stainless steel and steel—makes the set versatile for workshop and field use. The bits are sized to support M8 thread preparation, helping to ensure reliable tapping starts and improved thread quality.
Suitable for
 Creating pilot holes and centered starts prior to M8 tapping
 Panel and enclosure fabrication where accurate thread alignment is required
 Working with aluminium, plastic, stainless steel and steel sheets
 Maintenance and repair tasks that require repeatable, centered drilling
Когда может быть не подходящим
The centering drill bit set is not intended for direct cutting of large diameter holes or replacing full-size drill bits; it is optimized for producing precise starts for threading. It may be inadequate for very hard or abrasive materials beyond typical stainless steels or for applications requiring specialized coatings or geometries for high-speed production drilling.
Key specifications
 Number of pieces: 3
 Supported thread size: M8 (for preparatory centering/drilling)
 Suitable materials: Aluminium, plastic, stainless steel, steel
 Primary use: Centering/pilot drilling before tapping
How to use
Select an appropriate clamping method to secure the workpiece and mark the desired hole position. Use the centering drill bit in a drill or drill press at a suitable speed for the material being machined, applying steady feed pressure to create a clean, centered pilot hole. After centering, change to the specified drill or tap size for M8 threading following standard drilling and tapping procedures. Replace bits from the set when wear affects centering accuracy.
What to consider before purchase
 Confirm that M8 is the required thread size for your application
 Ensure the materials you will work with are among aluminium, plastic, stainless steel or steel
 Consider if three pieces provide sufficient spares for your workload or if additional sets are needed
 Check whether specialized coated or high-performance centering bits are required for high-volume or abrasive jobs
Usage recommendations
Use appropriate speeds and feeds for each material, secure the workpiece to prevent movement, and inspect the bit tips periodically for wear. For best results when preparing holes for M8 threads, follow the drill and tap size recommendations for the material and thread standard you are using.

## Specifications

| Feature | Value |
|---|---|
| Suitable for materials | Aluminium, Plastic, Stainless steel, Steel |
| Number of drill bits | 3 pc(s) |
| Thread size supported | M8 |
| Drill bit type | Centering drill bit |

## FAQ

### How much does the Rittal centering drill bit set 4050.815 M8 cost, and is it available for purchase?

The price is 190.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 22 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 14.07.2026 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 Rittal 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 Rittal 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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