# Fischer Powerfast Wood Screw 4.0x40mm Partial Thread TX20 Head 200 Pieces

**URL:** https://aio.lv/en/product--fischer-670555--12480717
**Data updated:** 2026-05-22 09:08 (EEST)
**Category:** Home & DIY Accessories
**Manufacturer:** FISCHER
**Manufacturer code:** 670555
**EAN:** 4048962374131
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 16.99 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 14.04 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--fischer-670555--12480717

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

The Fischer Powerfast wood screw is a high-quality fastener designed for outdoor and indoor applications. Featuring a 4.0x40mm size, partial thread, and a TX20 star drive head, it ensures secure and efficient installation in wood materials. This pack contains 200 pieces, making it an ideal choice for professional construction, carpentry, and DIY projects requiring reliable fastening performance.

## Long description

The Fischer PowerFast II wood screw, measuring 4.0x40mm, is a high-performance fastener engineered for precision and efficiency in various wood construction projects. Featuring a partial thread design and a TX20 drive, this screw allows for rapid engagement and a secure hold, minimizing the risk of splitting the wood. The blue zinc-plated finish offers essential corrosion resistance, making it a reliable choice for outdoor applications where durability is required.
Advantages
This wood screw stands out due to its advanced thread geometry, which ensures a fast bite and reduced driving torque during installation. The partial thread design is specifically optimized to pull two pieces of wood tightly together, creating a robust and stable connection. Its high-quality steel construction combined with the protective blue zinc coating ensures long-lasting performance in various environmental conditions, while the TX20 drive provides excellent power transmission and prevents cam-out during the fastening process.
Suitable for
General carpentry and wood framing
Outdoor furniture assembly
Installation of wooden decking or fencing
DIY home improvement projects
Interior and exterior wood-to-wood connections
When it may not be suitable
This screw is not intended for use in masonry, concrete, or metal substrates without appropriate anchors. It may also be unsuitable for highly corrosive environments, such as areas directly exposed to saltwater or industrial chemicals, where stainless steel fasteners would be required.
Key specifications
Dimensions: 4.0mm diameter, 40mm length
Drive type: TX20
Thread type: Partial thread
Material: Blue zinc-plated steel
Quantity: 200 pieces per pack
How to use
To achieve the best results, ensure you are using a compatible TX20 screwdriver bit. Position the screw at the desired location and drive it into the wood using a power drill or screwdriver. Due to the sharp tip and optimized thread, pre-drilling is generally not required in softwoods, though it is recommended when working near the edges of the material or with hardwoods to prevent splitting. Drive the screw until the head is flush with the surface of the material.
What to consider before purchase
Verify the required length and diameter for your specific application
Ensure the TX20 bit size is available in your tool kit
Check if the blue zinc coating meets the environmental requirements of your project location
Usage recommendations
For optimal structural integrity, ensure that the partial thread length is sufficient to fully engage the secondary piece of wood while allowing the unthreaded shank to pass through the primary piece.

## Specifications

| Feature | Value |
|---|---|
| Quantity per pack | 200 pc(s) |

## FAQ

### How much does the Fischer Powerfast 4.0x40mm Wood Screw - 200 Pieces cost, and is it available for purchase?

The price is 16.99 € (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 16.07.2026 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 FISCHER 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 FISCHER 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/12480717/68804108_large.webp