# Foundation Anchor Nuts ROSA B-30 (MPN 311003) — steel fastening for concrete foundations

**URL:** https://aio.lv/en/product--rosa-311003--12108615
**Data updated:** 2026-03-20 09:59 (EET)
**Category:** Miscellaneous repair tools
**Manufacturer:** ROSA
**Manufacturer code:** 311003
**EAN:** 5903800029538
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 4.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 3.71 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rosa-311003--12108615

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

ROSA foundation anchor nuts B-30 (MPN 311003) are steel fastening components designed for use with anchor bolts in concrete foundations. These nuts secure structural and equipment anchors to reinforced concrete, providing reliable mechanical fixation for columns, baseplates, and machinery mounts. Suitable for construction and installation tasks where threaded anchorage and durable metal connection are required.

## Long description

ROSA Foundation Anchor Nuts B-30 are heavy-duty steel fastening elements engineered to work with anchor bolts in concrete foundations. Designed to provide secure threaded anchorage, these nuts allow reliable fixation of structural elements, baseplates and machinery mounts to reinforced concrete. The product offers consistent thread engagement and robust metal-to-metal connection suitable for demanding construction and installation applications.
Advantages
Manufactured from steel with attention to dimensional accuracy, these anchor nuts deliver stable clamping force and resistance to deformation under load. Their design ensures consistent thread mating with anchor bolts, enabling straightforward tightening and adjustment. The solid metal construction supports long service life in fixed installations and provides predictable mechanical performance for structural anchoring tasks.
Suitable for
Securing baseplates for steel columns and supports
Fastening machinery and equipment to concrete floors or foundations
Anchoring metal plates and fixtures in civil and industrial projects
Key specifications
Material: steel
Application: threaded anchorage in concrete foundations
Function: mechanical fixation of columns, baseplates and mounted equipment
Compatibility: intended to be used with matching anchor bolts and threaded rods
How to use
Install the anchor bolt into the prepared concrete hole or cast the anchor into the foundation as specified for the chosen anchoring system. Thread the ROSA B-30 nut onto the exposed anchor bolt, hand-tighten to seat the nut, then apply the required torque with a wrench to achieve the specified clamping force. Verify alignment of the connected element before final tightening and follow any project-specific tightening sequence or torque values provided by the anchor bolt manufacturer.
Usage recommendations
Use with anchor bolts and threaded rods matched in diameter and thread pitch. For exterior or corrosive environments, consider additional corrosion protection measures appropriate to the site conditions. Follow structural and installation drawings and applicable standards when selecting and installing foundation anchor components.

## FAQ

### How much does the ROSA Foundation Anchor Nuts B-30 (311003) cost, and is it available for purchase?

The price is 4.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 7 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 03.07.2026 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 ROSA 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 ROSA 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/12108615/67644845_large.webp