# Wiha Micro TORX T20 Screwdriver Bit 28 mm 4 mm drive

**URL:** https://aio.lv/en/product--wiha-40639--12621574
**Data updated:** 2026-08-12 04:32 (EEST)
**Category:** Screwdriver Bits
**Manufacturer:** wiha
**Manufacturer code:** 40639
**EAN:** 4010995406394
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.99 €
**Prices and availability valid until:** 2026-10-30 23:59
**Price without VAT (21%):** 5.78 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--wiha-40639--12621574

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.10.2026 | free |
| Pickup points | 19.10.2026 | 1.99 EUR |
| Courier delivery to door | 19.10.2026 | 4.99 EUR |

## Summary description

Professional Wiha micro screwdriver bit featuring a TORX T20 profile and a 28 mm length with a 4 mm drive form. Designed for precision fastening applications in electronics, small appliances, and delicate assembly work. Manufactured for reliable torque transfer and durability.

## Long description

The Wiha Micro TORX T20 Screwdriver Bit is a professional-grade precision tool engineered for delicate fastening tasks. Featuring a TORX T20 profile, a compact length of 28 mm, and a 4 mm drive form, this micro bit delivers reliable performance in intricate assembly environments. It is meticulously manufactured to ensure optimal torque transfer, reducing wear on both the fastener and the bit during continuous professional use.
Advantages
This screwdriver bit offers exceptional precision, making it an ideal choice for delicate fastening operations where accuracy is critical. The high-quality manufacturing ensures consistent torque transmission and extended durability, reducing the frequency of tool replacement. Its compact dimensions allow for seamless integration into compatible micro bit holders and drivers, facilitating access to restricted fastening locations.
Suitable for
Precision assembly of small electronics and gadgets
Repair and maintenance of small household appliances
Delicate mechanical fastening tasks requiring a TORX T20 profile
Professional workshop applications involving micro drives
When it may not be suitable
This product is not designed for heavy-duty construction work, high-torque industrial fastening, or applications requiring drives other than the 4 mm standard. It is also unsuitable for larger fastener profiles outside the specified TORX T20 range.
Key specifications
Profile: TORX T20
Length: 28 mm
Drive form: 4 mm
Application type: Micro fastening
How to use
Insert the 4 mm drive end of the screwdriver bit securely into a compatible micro bit holder or screwdriver handle. Align the TORX T20 tip accurately with the head of the target fastener, ensuring a snug and complete fit to prevent slippage. Apply steady, controlled axial pressure while turning the tool to tighten or loosen the fastener according to the required torque specifications.
What to consider before purchase
Verify that your existing tool handle or bit holder supports a 4 mm drive format.
Confirm that the fastener profile required for your project matches the TORX T20 standard.
Evaluate the required length of 28 mm to ensure adequate clearance in your specific work area.
Always store screwdriver bits in a dry environment to prevent corrosion, and inspect the tip regularly for signs of wear to maintain optimal fastening precision.

## FAQ

### How much does the Wiha T20 Micro TORX Screwdriver Bit cost, and is it available for purchase?

The price is 6.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 14.10.2026 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 wiha 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 wiha 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/12621574/70185735_large.webp