# KM GROM KM137.6 Lightning Protection Mast Cross Connector with 60mm Bolt

**URL:** https://aio.lv/en/product--km-grom-km1376--12462529
**Data updated:** 2026-05-18 09:43 (EEST)
**Category:** Home & DIY Accessories
**Manufacturer:** KM GROM
**Manufacturer code:** KM137.6
**EAN:** 5900111137112
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 5.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--km-grom-km1376--12462529

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The KM GROM KM137.6 is a professional cross connector designed for lightning protection masts. Featuring a 60mm bolt, this component ensures a secure and reliable mechanical connection between conductors in grounding and lightning protection systems. It is constructed from high-quality materials to provide durability and effective electrical conductivity in outdoor environments.

## Long description

The KM GROM KM137.6 lightning protection mast cross connector is a specialized component engineered for the secure integration of conductors within lightning protection and grounding systems. Featuring a robust 60mm bolt, this connector provides a stable mechanical and electrical link, ensuring the integrity of the installation even under demanding environmental conditions. Its design focuses on reliability and ease of assembly, making it a critical element for professional lightning protection infrastructure.
Advantages
This cross connector offers exceptional mechanical strength and long-term durability due to its high-quality material construction. The 60mm bolt allows for precise adjustment and a firm grip on conductors, which is essential for maintaining consistent electrical conductivity throughout the grounding network. Its weather-resistant design ensures that the connection remains stable and effective, minimizing the risk of corrosion or mechanical failure in outdoor settings.
Suitable for
Connecting conductors in lightning protection systems
Grounding installations for residential and industrial buildings
Securing mast components in external electrical safety networks
When it may not be suitable
This connector is specifically designed for standard lightning protection mast configurations. It may not be compatible with non-standard conductor diameters or specialized mounting systems that require different fastening mechanisms. Always verify the conductor size compatibility before installation.
Key specifications
Bolt length: 60mm
Application: Lightning protection and grounding systems
Material: Corrosion-resistant metal alloy
Function: Cross connection of conductors
How to use
To install the KM GROM KM137.6, position the conductors within the cross connector housing. Insert the 60mm bolt through the designated opening and tighten it securely using appropriate tools to ensure a firm mechanical bond. Ensure that the contact surfaces are clean and free of debris to maintain optimal electrical conductivity. Periodically inspect the connection to ensure the bolt remains tight and the assembly is free from environmental degradation.
What to consider before purchase
Verify the diameter of the conductors being used
Ensure the 60mm bolt length is sufficient for your specific mast assembly
Check local electrical safety regulations for lightning protection components
Usage recommendations
Regular maintenance and inspection of all lightning protection connections are recommended to ensure long-term safety and system performance. Ensure all components are tightened to the manufacturer's specified torque settings.

## FAQ

### How much does the KM GROM KM137.6 Lightning Protection Mast Cross Connector cost, and is it available for purchase?

The price is 6.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 135 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 09.07.2026 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 KM GROM 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 KM GROM 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/12462529/68764339_large.webp