# Drill bit set Rittal 4050.817 — Centering drill bits, M12 thread, 3 pcs, for aluminium, plastic, steel, stainless steel

**URL:** https://aio.lv/en/product--rittal-4050817--12401086
**Data updated:** 2026-04-29 13:49 (EEST)
**Category:** Drill Bits
**Manufacturer:** Rittal
**Manufacturer code:** 4050817
**EAN:** 4028177704121
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 274.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 227.26 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rittal-4050817--12401086

## 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 4050.817 is a 3-piece set of centering drill bits designed for creating precise starter holes and guiding taps. The set supports M12 thread size and is suitable for use on aluminium, plastic, steel and stainless steel. Ideal for panel work, machine centres and preparing holes for tapping in industrial and workshop applications.

## Long description

Rittal 4050.817 is a 3-piece set of centering drill bits engineered to produce accurate starter holes and to guide taps for M12 threaded holes. Designed for use on aluminium, plastic, steel and stainless steel, these centering bits aid in precise panel work, machine centre operations and preparatory drilling for tapping in industrial and workshop environments.
Advantages
The set includes three centering drill bits that provide consistent hole position and reliable guidance for subsequent tapping, reducing the risk of misalignment. Compatibility with multiple materials—aluminium, plastic, steel and stainless steel—makes the set versatile for a range of metalworking and fabrication tasks. The bits are intended to simplify preparation for M12 threads, improving workflow efficiency in repetitive operations.
Suitable for
 Drilling starter/centering holes for M12 taps in panels and enclosures
 Machine centre and bench drilling where accurate hole position is required
 Workshop and industrial metalworking on aluminium, steel and stainless steel
 Preparing holes in plastic components before tapping or countersinking
When it may not be suitable
This centering drill bit set is intended specifically for creating starter holes and guiding taps for M12 thread work; it is not a comprehensive drill bit assortment for general-purpose drilling of large diameters or non-centre drilling tasks. For high-volume production on very hard or heavily alloyed materials, specialized drills or coolant/lubrication systems may be required to maintain tool life and hole quality.
Key specifications
 Type: Centering drill bits (centres for tap guidance)
 Thread size supported: M12 (intended for preparing holes for M12 taps)
 Quantity: 3 pieces
 Suitable materials: Aluminium, Plastic, Steel, Stainless steel
How to use
Secure the workpiece and select an appropriate drill press or hand-held drill with suitable clamping. Mark the desired hole position and center the bit on the mark. Drill at recommended speeds for the workpiece material, using light feed to establish a precise starter hole. After centering, proceed with the correct-size drill for tapping if required, then use the tap with the appropriate lubricant and tapping technique. Maintain consistent alignment between bit, drill and tap to ensure proper thread formation.
What to consider before purchase
 Confirm that you require centering bits sized to prepare holes for M12 threads
 Ensure compatibility of the bits with the materials you will work on (aluminium, plastic, steel, stainless steel)
 Assess whether three pieces are sufficient for your job volume and whether replacement or larger sets are needed
 Check that your drill or machine can securely hold the centering bit shank
Usage recommendations
Use appropriate speeds and cutting lubricants for the specific material: lower speeds and cutting fluid for stainless steel, moderate speeds for steel, and higher speeds for aluminium and plastics. Inspect bits regularly for wear and replace when the centering tip becomes rounded to maintain accuracy when preparing holes for M12 tapping.

## Specifications

| Feature | Value |
|---|---|
| Suitable for materials | Aluminium, Plastic, Stainless steel, Steel |
| Number of drill bits | 3 pc(s) |
| Thread size supported | M12 |
| Drill bit type | Centering drill bit |

## FAQ

### How much does the Rittal 4050.817 centering drill bits set, M12, 3 pcs cost, and is it available for purchase?

The price is 274.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 13 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

https://aio.lv/img/cache/product/12401086/68689690_large.webp