# TDM Brass Lock-Nut Art 121EN 1/2 inch

**URL:** https://aio.lv/en/product--tdmbrass-121en12--12504970
**Data updated:** 2026-06-10 09:36 (EEST)
**Category:** Kitchen & Bathroom Faucets
**Manufacturer:** tdm\_brass
**Manufacturer code:** 121EN12
**EAN:** 2000511383898
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 2.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 2.47 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tdmbrass-121en12--12504970

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.06.2026 | free |
| Pickup points | 03.07.2026 | 1.99 EUR |
| Courier delivery to door | 03.07.2026 | 4.99 EUR |

## Summary description

The TDM Brass Art 121EN 1/2 inch lock-nut is a reliable plumbing component designed for securing threaded connections in piping systems. Made from high-quality brass, this fitting ensures a tight, durable seal, preventing loosening due to vibration or pressure. It is suitable for various residential and industrial water supply and heating installations, providing long-term performance and corrosion resistance.

## Long description

The TDM Brass Lock-Nut Art 121EN 1/2 inch is a professional-grade plumbing component engineered to provide secure and stable threaded connections within piping systems. Constructed from high-quality brass, this lock-nut is designed to withstand the rigors of daily operation in both residential and industrial environments, ensuring that fittings remain tightly fastened even under varying pressure conditions or vibrations.
Advantages
This brass lock-nut offers exceptional durability and resistance to corrosion, which is essential for maintaining the integrity of water supply and heating systems over time. Its precise threading allows for easy installation and a reliable seal, effectively preventing the loosening of components. By utilizing high-quality brass material, the fitting provides a robust solution that minimizes the risk of leaks and mechanical failure in critical plumbing junctions.
Suitable for
Securing threaded pipe connections in residential water supply systems
Industrial heating and cooling piping installations
Preventing loosening of fittings in pressurized plumbing lines
General maintenance and repair of threaded plumbing infrastructure
When it may not be suitable
This component is specifically designed for standard 1/2 inch threaded connections and may not be compatible with piping systems using different thread standards or larger diameters. It is also not intended for use in highly aggressive chemical environments where brass may be susceptible to dezincification or specific types of corrosion.
Key specifications
Material: High-quality brass
Size: 1/2 inch
Thread type: Standard plumbing thread
Application: Securing threaded connections
Resistance: Corrosion-resistant
How to use
To install the TDM Brass Lock-Nut, first ensure that the pipe threads are clean and free of debris. Thread the lock-nut onto the pipe or fitting until it reaches the desired position. Tighten the nut firmly using an appropriate wrench to ensure a secure hold against the mating component. Avoid overtightening, as this may damage the threads or the brass material.
What to consider before purchase
Verify that your pipe system requires a 1/2 inch connection size
Ensure compatibility with existing threaded fittings
Check the material requirements for your specific plumbing environment
Usage recommendations
For optimal performance and to ensure a leak-proof connection, it is recommended to use appropriate thread sealing tape or pipe sealant compound during installation. Regularly inspect the connection for signs of wear or loosening during routine maintenance.

## FAQ

### How much does the TDM Brass Art 121EN 1/2 inch Lock-Nut cost, and is it available for purchase?

The price is 2.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 314 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 30.06.2026 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 tdm\_brass 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 tdm\_brass 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/12504970/68845723_large.webp