# Collet Nut FORTIS ER16 FI 3 - 2 DIN6499 — ER16 collet system compatible with DIN 6499

**URL:** https://aio.lv/en/product--fortis-0642176180003--12375428
**Data updated:** 2026-04-26 20:47 (EEST)
**Category:** Other goods
**Manufacturer:** FORTIS
**Manufacturer code:** 0642176180003
**EAN:** 5905555223360
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 15.99 €
**Prices and availability valid until:** 2026-11-13 23:59
**Price without VAT (21%):** 13.21 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--fortis-0642176180003--12375428

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 28.10.2026 | free |
| Pickup points | 02.11.2026 | 1.99 EUR |
| Courier delivery to door | 02.11.2026 | 4.99 EUR |

## Summary description

FORTIS TULEJKA ER16 FI 3 - 2 DIN6499 is an ER16 collet nut designed for use with ER16 collet systems compliant with DIN 6499. It secures ER16 collets in toolholders and spindles, providing reliable clamping for milling, drilling, and machining operations. Suitable for machine shops and industrial tooling where standard DIN 6499 compatibility is required.

## Long description

FORTIS ER16 FI 3 - 2 DIN6499 collet nut is a precision component intended for ER16 collet systems built to DIN 6499 compatibility. It secures ER16 collets in toolholders and spindles, providing axial retention and consistent clamping for milling, drilling and general machining tasks. The design matches standard DIN 6499 dimensions to ensure interchangeability with compliant collets and holders used in machine shops and industrial tooling environments.
Advantages
The collet nut delivers stable, concentric clamping and straightforward installation on ER16 toolholders. Its compliance with DIN 6499 ensures compatibility with many standard ER16 collets and spindles, reducing the need for custom adapters. The component is compact and engineered to facilitate accurate toolholding and repeatable setups in CNC and manual machining operations.
Suitable for
 Securing ER16 collets in machine spindles and toolholders
 Milling, drilling, reaming and light to medium machining operations
 Workshops and production lines using DIN 6499-compatible tooling
 Maintenance or replacement parts for ER16 collet systems
When it may not be suitable
This collet nut is intended specifically for ER16 systems and DIN 6499 compatibility; it will not fit non-ER16 collets or proprietary toolholders that do not follow the DIN 6499 standard. For heavy-duty machining requiring larger collet sizes or different retention systems, a larger series (for example ER20 or ER32) or a different clamping method may be more appropriate.
Key specifications
 Collet series: ER16
 Compatibility: DIN 6499 compliant dimensions
 Function: Collet retention nut for axial clamping of tools
 Typical applications: Milling, drilling, general machining
 Material: metal (standard toolholding grade)
How to use
Place the ER16 collet into the collet nut and insert the tool shank into the collet. Thread the assembled collet nut onto the ER16 toolholder or spindle by hand until it seats, then tighten to the required torque using the appropriate wrench or tightening tool. Ensure the collet and nut are clean and free of chips or debris before assembly to maintain concentricity and secure clamping. Follow the machine and tooling manufacturer's torque recommendations to avoid over-tightening.
What to consider before purchase
 Confirm your collets and toolholders are ER16 and follow DIN 6499 dimensions
 Verify required material and surface condition for your machining environment
 Ensure you have the proper tightening tool and torque specification for ER16 nuts
Usage recommendations
Regularly inspect the collet, nut threads and mating surfaces for wear or damage. Clean components after use and replace the collet nut if thread deformation or loss of concentricity is observed to maintain machining accuracy and safety.

## FAQ

### How much does the FORTIS ER16 FI 3 - 2 DIN6499 collet nut cost, and is it available for purchase?

The price is 15.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 28.10.2026 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 FORTIS 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 FORTIS 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/12375428/70205053_large.webp