# Lapp Skindicht MR-M Brass Lock Nut M50 to M40

**URL:** https://aio.lv/en/product--lapp-52104320--3535228
**Data updated:** 2026-05-18 02:45 (EEST)
**Category:** Network Equipment Accessories
**Manufacturer:** Lapp
**Manufacturer code:** 52104320
**EAN:** 4044773180244
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 11.49 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 9.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lapp-52104320--3535228

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

The Lapp Skindicht MR-M is a high-quality brass lock nut designed for cable gland reduction, featuring an M50 to M40 thread size. This durable silver-colored component ensures secure fastening and reliable mechanical stability in industrial electrical installations. Each pack contains 10 pieces, providing a professional solution for adapting thread sizes in various cable management systems.

## Long description

The Lapp Skindicht MR-M is a high-quality brass lock nut designed for efficient cable gland reduction, specifically engineered to adapt an M50 thread size to an M40 thread size. This robust component is crafted from nickel-plated brass, ensuring excellent mechanical stability and long-term durability in demanding industrial environments. It serves as a reliable solution for connecting cable glands to existing threaded holes that are larger than the required gland size, maintaining a secure and professional electrical installation.
Advantages
The primary benefit of this brass reduction nut is its ability to provide a seamless transition between different thread sizes, allowing for greater flexibility in cable management systems. Its high-quality brass construction offers superior resistance to corrosion and mechanical stress, ensuring that the connection remains stable even under vibration or harsh operating conditions. By using this component, installers can easily adapt existing infrastructure without the need for complex modifications or drilling, saving time and ensuring a high standard of safety.
Suitable for
Industrial electrical cabinets and control panels
Machinery and equipment manufacturing
Adapting cable glands to existing threaded ports
Electrical installations requiring thread size reduction
When it may not be suitable
This product is not suitable for applications where the thread size reduction is not from M50 to M40, as it is specifically machined for these dimensions. It should also not be used in environments where the chemical properties of brass are incompatible with the surrounding atmosphere or materials.
Key specifications
Material: Nickel-plated brass
External thread: M50
Internal thread: M40
Function: Thread reduction for cable glands
Quantity: 10 pieces per pack
How to use
To install the Lapp Skindicht MR-M, first ensure that the existing threaded hole is clean and free of debris. Screw the reduction nut into the M50 threaded hole until it is firmly seated. Once the reduction nut is secured, you can then install your M40 cable gland into the internal thread of the reduction nut. Ensure that all components are tightened to the manufacturer's recommended torque to maintain the integrity of the installation.
What to consider before purchase
Verify that your existing housing has an M50 thread
Confirm that your cable gland requires an M40 connection
Check the environmental conditions to ensure brass is the appropriate material
Ensure sufficient space is available for the installation of the reduction nut
Usage recommendations
For optimal performance and safety, always use appropriate tools to tighten the lock nut and ensure that the cable gland is correctly seated within the reduction component. Regularly inspect the installation for signs of loosening due to vibration.

## Specifications

| Feature | Value |
|---|---|
| Material | Brass |
| Product colour | Silver |
| Product type | Lock nut |
| Quantity per pack | 10 pc(s) |

## FAQ

### How much does the Lapp Skindicht MR-M Brass Lock Nut M50/M40 cost, and is it available for purchase?

The price is 11.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 63 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 17.07.2026 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 Lapp 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 Lapp 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/3535228/58448219_large.webp