# Screwdriver Bit Wiha 284

**URL:** https://aio.lv/en/product--wiha-284-33-sw40sw40--1483514
**Data updated:** 2026-01-06 11:06 (EET)
**Category:** Other goods
**Manufacturer:** wiha
**Manufacturer code:** 284 33 SW4.0/SW4.0
**EAN:** 4010995006372
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 18.49 €
**Prices and availability valid until:** 2026-08-06 23:59
**Price without VAT (21%):** 15.28 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--wiha-284-33-sw40sw40--1483514

## 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

The Wiha 284 screwdriver bit is made of durable chromium-vanadium steel, ensuring longevity and strength. With a hexagonal shank shape and a size of 4mm, it is compatible with various screwdrivers. Measuring 150mm in length and weighing only 33g, it is lightweight and easy to handle. Ideal for precision tasks, this bit is a reliable choice for both professionals and DIY enthusiasts.

## Long description

The Wiha 284 screwdriver bit is manufactured from high-quality chromium-vanadium (CVM) steel and is through-hardened for durability. The blade has a titanium silver finish and laser-engraved size markings. A ball end allows work at angles up to 25°. The bit has a 4 mm hexagonal shank, a length of 150 mm and weighs approximately 33 g.
Advantages
Durable CVM steel and through-hardening improve wear resistance and service life. Laser-engraved size markings remain readable over time. The titanium silver finish reduces corrosion. The ball end increases accessibility by permitting angled engagement up to 25°.
Suitable for (tasks / use cases)
 Precision fastening and assembly work
 Access to screws in tight or angled positions
 Use with compatible bit holders, drivers and ratchets with 4 mm hex shank
Key specifications
 Manufacturer: Wiha
 Model / MPN: 284 33 SW4.0/SW4.0
 Material: Chromium-vanadium (CVM) steel, through-hardened
 Finish: Titanium silver, laser-engraved size
 Shank: Hexagonal, 4 mm
 Length: 150 mm
 Weight: 33 g (approx.)
 Feature: Ball end — allows working at angles up to 25°
 EAN: 4010995006372
How to use
Insert the 4 mm hexagonal shank into a compatible bit holder or driver and ensure it seats securely. Engage the appropriate screw head with the blade tip, using straight axial pressure for best results. When access is restricted, use the ball end to operate at angles up to 25° while maintaining controlled torque. After use, store the bit in a dry place to minimise corrosion.
Usage recommendations
Use appropriate torque settings and the correct driver or bit holder to avoid cam-out or damage to the screw and bit. Inspect the bit regularly for wear and replace it if the tip is deformed or rounded.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.033 kg |
| Material | Chromium-vanadium steel, Steel |
| Length | 150 mm |
| Number of bits | 1 pc(s) |
| Screwdrivers/bits sizes | 4"/4mm |
| Shank | Yes |
| Shank shape | Hexagonal |

## FAQ

### How much does the Screwdriver Bit Wiha 284 cost, and is it available for purchase?

The price is 18.49 € (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 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 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/1483514/64156852_large.webp