# Flange nut Bosch 1603340040

**URL:** https://aio.lv/en/product--bosch-1603340040--3806289
**Data updated:** 2025-12-29 13:49 (EET)
**Category:** Power Tools Accessories
**Manufacturer:** Bosch
**Manufacturer code:** 1603340040
**EAN:** 3165140052078
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 11.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 9.91 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--bosch-1603340040--3806289

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.99 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

The Bosch Flange Nut 1603340040 is designed for secure fastening in various applications. Made from high-quality materials, it ensures durability and reliability. Its silver finish provides corrosion resistance, making it suitable for both indoor and outdoor use. This flange nut is compatible with Bosch products, ensuring a perfect fit and optimal performance.

## Long description

The Flange nut Bosch 1603340040 is a locking nut designed to clamp grinding discs with diameters from 115 mm up to 230 mm that were manufactured before 08/1990. Compatible with angle grinders, the nut provides secure fastening of abrasive discs and flanges and is made to fit Bosch tool interfaces for reliable operation.
Advantages
The flange nut is constructed from durable materials and finished in silver to resist corrosion. It offers a secure locking action for grinding discs, ensuring stable attachment during operation. Designed for compatibility with Bosch angle grinders and accessories, the nut helps maintain correct disc alignment and reduces the risk of loosening under load.
Suitable for
Clamping grinding discs Ø 115–230 mm manufactured before 08/1990
Repair or replacement of fastening components on Bosch angle grinders
Workshop and site use where secure disc fastening is required
Key specifications
Manufacturer: Bosch
Model / MPN: 1603340040
EAN: 3165140052078
Compatible disc diameters: 115–230 mm (pre‑08/1990 discs)
Application: Locking/flange nut for angle grinders
How to use
Fit the flange nut onto the grinder spindle according to the angle grinder manufacturer's instructions. Place the grinding disc and any required flanges onto the spindle, then thread the flange nut and tighten it to the specified torque or until the disc is firmly clamped. Always ensure the disc is correctly seated and the nut is properly tightened before operating the tool.
Usage recommendations
Use only undamaged discs and compatible flanges. Check the disc diameter and manufacturing date to confirm compatibility (115–230 mm, manufactured before 08/1990). Follow the angle grinder manufacturer's safety guidelines, wear appropriate personal protective equipment, and replace the flange nut if signs of wear or deformation appear.

## Specifications

| Feature | Value |
|---|---|
| Type | Flange nut |
| Material | Metal |
| Product colour | Silver |
| Brand compatibility | Bosch |

## FAQ

### How much does the Flange nut Bosch 1603340040 cost, and is it available for purchase?

The price is 11.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 33 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 10.07.2026 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 Bosch 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 Bosch 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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