# Hex Socket Bit Wera 8740 C HF 4 mm — 1-piece hex bit for power and manual drivers

**URL:** https://aio.lv/en/product--wera-05003820001--1474848
**Data updated:** 2026-01-13 15:38 (EET)
**Category:** Power Tools Accessories
**Manufacturer:** Wera
**Manufacturer code:** 05003820001
**EAN:** 4013288183217
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 22.99 €
**Prices and availability valid until:** 2026-08-06 23:59
**Price without VAT (21%):** 19.00 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--wera-05003820001--1474848

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 04.08.2026 | free |
| Pickup points | 07.08.2026 | 1.89 EUR |
| Courier delivery to door | 07.08.2026 | 4.99 EUR |

## Summary description

Wera Hex Socket Bit 8740 C HF 4 mm is a single hex bit designed for use with compatible power and manual drivers. Manufactured by Wera and identified by MPN 05003820001 and EAN 4013288183217, this 4 mm bit provides a precise hex interface for fastening tasks. It is suitable for assembly, maintenance, and repair work where a reliable hex drive is required.

## Long description

Wera Hex Socket Bit 8740 C HF 4 mm is a single hex bit designed for use with compatible power and manual drivers. The bit offers a precise 4 mm hex interface and is manufactured from hardened tool steel with a surface finish that resists wear. Designed to fit standard bit holders and sockets, this compact bit is intended for straightforward fastening tasks in assembly, maintenance, and repair environments.
Advantages
The hex bit provides accurate engagement with hex fasteners to reduce cam-out and wear on both the fastener and the bit. Its hardened material and corrosion-resistant finish extend service life under repeated use. The single-piece design ensures dimensional stability and consistent torque transfer when used with power drivers or manual screwdrivers that accept standard hex bits.
Подходит для
Сборочных работ и производственной сборки
Технического обслуживания и ремонта оборудования
Мастерских работ и бытовых проектов с шестигранными винтами
Использования с аккумуляторными и сетевыми шуруповертами, а также ручными держателями бит
Key specifications
Tip type: 4 mm hex (internal hexagon) suitable for hex socket screws
Material: hardened tool steel for increased durability
Finish: corrosion-resistant surface treatment
Compatibility: standard 1-piece bit size for use with common bit holders and sockets
Application: designed for both power drivers and manual drivers
How to use
Insert the Wera 4 mm hex socket bit securely into a compatible power driver or manual bit holder. Ensure the bit is seated firmly to avoid slipping. Align the bit with the hex socket of the fastener and apply steady, controlled torque. When using a power driver, select an appropriate torque setting to prevent fastener or bit damage. After use, wipe the bit clean and store it in a dry, secure location to preserve the finish and dimensional accuracy.
Usage recommendations
Use the hex bit with drivers that accept standard hex bits and match the torque capacity of the fastener. Avoid excessive side loading or prying, and replace the bit if visible rounding or damage appears on the drive tip to maintain reliable engagement and prevent fastener damage.

## FAQ

### How much does the Wera Hex Socket Bit 8740 C HF 4 mm cost, and is it available for purchase?

The price is 22.99 € (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 04.08.2026 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 Wera 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 Wera 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/1474848/47649725_large.webp