# Screw BIG 3/8 inch × 25 mm model 671811, metal fastener

**URL:** https://aio.lv/en/product--big-671811--4148552
**Data updated:** 2025-12-29 15:43 (EET)
**Category:** Miscellaneous repair tools
**Manufacturer:** BIG
**Manufacturer code:** 671811
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 3.99 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 3.30 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--big-671811--4148552

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 18.06.2026 | free |
| Pickup points | 25.06.2026 | 1.99 EUR |
| Courier delivery to door | 25.06.2026 | 4.99 EUR |

## Summary description

BIG screw model 671811 is a 3/8 inch (≈9.525 mm) diameter, 25 mm length metal fastener suitable for general assembly and repair tasks. Designed for mechanical joining of components, it serves in furniture, construction light fixtures, or machinery where a 3/8" screw of 25 mm length is required. Provides secure fastening and straightforward installation with appropriate tools.

## Long description

Screw BIG 3/8 inch × 25 mm model 671811 is a metal fastener with a 3/8" male thread and a hexagon head. It has a length of 25 mm and is designed for mechanical joining of components in general assembly and repair tasks. The screw is suitable for applications where a 3/8" diameter, 25 mm length fastener is required and is compatible with standard tools for tightening hex heads.
Advantages
The BIG 671811 screw offers a standard 3/8" male thread and a hexagon head that allows reliable torque transfer with common wrenches or sockets. Its 25 mm length matches many furniture, light construction, and machinery fastening needs, providing a straightforward and secure mechanical connection when paired with compatible nuts or threaded holes.
Suitable for
Furniture assembly and repair
Light construction and fixtures
Mechanical parts and machinery fastening
General DIY projects requiring a 3/8" × 25 mm screw
Key specifications
Brand: BIG
Model: 671811
Thread size: 3/8" (approx. 9.525 mm) male
Length: 25 mm
Head type: hexagon (hex) head
Type: metal screw / fastener
MPN: 671811
How to use
Select a compatible nut or a pre-threaded hole with a 3/8" thread. Position the screw through the components to be joined, then tighten the hexagon head using an appropriately sized wrench or socket until the joint is secure. Ensure correct alignment of parts and avoid over-tightening to prevent thread damage or deformation of components.
Usage recommendations
Use with matching 3/8" nuts or threaded inserts and appropriate torque settings for the material being fastened. For corrosion-sensitive environments, choose compatible materials or protective coatings; verify load and safety requirements before use.

## FAQ

### How much does the Screw BIG 3/8" 25 mm model 671811 cost, and is it available for purchase?

The price is 3.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 18.06.2026 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 BIG 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 BIG 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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