# Screwdriver Bit Set Wiha 42109

**URL:** https://aio.lv/en/product--wiha-42109--4111085
**Data updated:** 2026-01-06 11:15 (EET)
**Category:** Screwdriver Bits
**Manufacturer:** wiha
**Manufacturer code:** 42109
**EAN:** 4010995421090
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 14.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 12.39 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--wiha-42109--4111085

## 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 | 1.99 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

The Wiha 42109 screwdriver bit set includes 5 Torx bits, specifically T15, with a length of 29 mm and a weight of 54 g. The bits have a shank size of 25.4 / 4 mm (1 / 4"), making them compatible with standard screwdrivers. This set is ideal for precision work, providing durability and reliability for various applications.

## Long description

The Wiha 42109 screwdriver bit set contains five Torx T15 bits, each 29 mm long with a 1/4" (25.4 / 4 mm) shank and a total weight of 54 g. The set is designed to simplify bit selection by focusing on the screw shape: these TY (Torx/Y) bits fit both T-shaped and Y-shaped screws and are suitable for a wide range of fastening tasks and materials. A patented torsion zone allows safe use with power tools and impact drivers and extends service life compared with standard bits. The fluorescent, coloured finish improves visibility and makes bits easier to locate, even under UV light.
Advantages
The TY design covers both Torx and Y-type screws so a single bit type replaces multiple variants, reducing the need to carry many different bits. The patented torsion zone absorbs torque peaks when using power tools or impact screwdrivers, providing longer life and consistent performance. Fluorescent coating and colour coding speed up identification and reduce loss of bits.
Suitable for
Precision fastening tasks requiring Torx T15 size
Use with manual screwdrivers and 1/4" bit holders
Power tools and impact drivers (thanks to torsion zone)
Maintenance, electronics assembly and general workshop work
Key specifications
Model: Wiha 42109
Bit type: TY (Torx/Y), size T15
Quantity: 5 bits
Bit length: 29 mm
Shank: 1/4" (25.4 / 4 mm)
Weight: 54 g (set)
EAN: 4010995421090
How to use
Select the T15 TY bit and insert it into a compatible 1/4" bit holder, manual screwdriver or power tool. Ensure the bit seats fully in the screw head before applying torque. When using an impact driver or high-torque tool, allow the torsion zone to absorb torque peaks by applying steady pressure and avoiding sudden, excessive force.
Usage recommendations
For best results, match the T15 TY bit to the screw head size, keep bits clean and free of debris, and store them in their case to maintain the fluorescent finish and avoid loss. Replace excessively worn bits to prevent damage to screw heads.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.054 kg |
| Length | 29 mm |
| Number of bits | 5 pc(s) |
| Screwdrivers/bits tips included | Torx |
| Shank | Yes |
| Shank size | 25.4 / 4 |
| Torx screwdriver bits | T15 |

## FAQ

### How much does the Screwdriver Bit Set Wiha 42109 cost, and is it available for purchase?

The price is 14.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 14 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. 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/4111085/53691171_large.webp