# Nut Driver Bit Wera 8790 HMC

**URL:** https://aio.lv/en/product--wera-05003631001--1466132
**Data updated:** 2026-01-13 15:38 (EET)
**Category:** Screwdriver Bits
**Manufacturer:** Wera
**Manufacturer code:** 05003631001
**EAN:** 4013288120939
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 20.49 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 16.93 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--wera-05003631001--1466132

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The Wera 8790 HMC nut driver bit is designed for hexagonal screws with a shank size of 25.4 / 2 mm (1 / 2"). It features a length of 40 mm and weighs 64 g, making it a compact and lightweight tool. Ideal for precision work, this bit ensures a secure fit and reliable performance in various applications.

## Long description

The Wera 8790 HMC nut driver bit is a compact hexagonal bit designed for secure tightening and loosening of hex screws. With a shank size of 25.4 / 2 mm (1/2") and a working length of 40 mm, this bit is intended for use with compatible holders and power tools where a reliable fit and precise torque transfer are required. Weighing 64 g, it offers a balance of robustness and portability for technicians and professionals performing maintenance, assembly or repair tasks.
Advantages
The nut driver bit provides a precise hex fit that minimizes cam-out and wear on fasteners. Its 40 mm length gives good access in confined spaces while maintaining control and stability. Manufactured to Wera's standards, the bit combines a durable material finish with a compact form factor that suits both handheld and machine-assisted driving.
Suitable for
 Tightening and loosening hexagonal screws in mechanical assembly
 Maintenance and repair work in electronics, automotive and industrial equipment
 Use with 1/2" compatible holders, adapters and power tool chucks
 Precision tasks that require a compact bit with reliable engagement
Key specifications
 Bit type: Hex (nut driver)
 Shank size: 25.4 / 2 mm (1/2")
 Working length: 40 mm
 Weight: 64 g
 Material and finish: hardened driving profile with wear-resistant surface (manufacturer standard)
How to use
Insert the 1/2" shank into a compatible holder, socket adapter or power tool chuck and ensure it is seated securely. Position the hex profile onto the fastener and apply steady torque, keeping the driver aligned with the screw axis to avoid slipping. For machine use, select appropriate speed and torque settings to match the fastener and application. After use, clean any debris and store the bit in a holder or toolbox to protect the driving profile.
Usage recommendations
Use the bit with holders and tools rated for 1/2" shanks and avoid applying excessive torque beyond the fastener or tool specification. Inspect the hex profile regularly for signs of wear and replace the bit when rounding or damage is observed to maintain secure engagement and prevent damage to fasteners.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.064 kg |
| Material | Chromium-vanadium steel |
| Length | 40 mm |
| Number of bits | 1 pc(s) |
| Shank size | 25.4 / 2 |
| Shank shape | Hexagonal |

## FAQ

### How much does the Nut Driver Bit Wera 8790 HMC cost, and is it available for purchase?

The price is 20.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 15 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 23.07.2026 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 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/1466132/64154388_large.webp