# KWB 258040 HSS Twist Drill Bit 4 mm

**URL:** https://aio.lv/en/product--kwb-258040--10738364
**Data updated:** 2026-07-23 04:12 (EEST)
**Category:** Home Goods Accessories
**Manufacturer:** KWB
**Manufacturer code:** 258040
**EAN:** 4009312580404
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 19.99 €
**Prices and availability valid until:** 2026-08-23 23:59
**Price without VAT (21%):** 16.52 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kwb-258040--10738364

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 21.08.2026 | free |
| Pickup points | 26.08.2026 | 1.79 EUR |
| Courier delivery to door | 26.08.2026 | 4.99 EUR |

## Summary description

The KWB 258040 is a high-quality HSS twist drill bit with a 4 mm diameter and a total length of 75 mm. Designed for precise drilling, this bit features right-hand rotation and is compatible with standard geared chucks. It is an essential tool for metalworking and general drilling tasks, providing durability and clean hole formation in various materials. This package contains one professional-grade drill bit.

## Long description

The KWB 258040 HSS twist drill bit is a professional-grade tool engineered for precision and durability. With a 4 mm diameter and a 75 mm total length, this high-performance drill bit features a robust HI-NOX HSS M2 construction. Its design includes a 130° point angle with a special polished section and a unique Quick Cut geometry, which facilitates efficient swarf removal and clean hole formation. The bit is finished in a black, uncoated surface and is designed for right-hand rotation, making it a reliable choice for demanding drilling applications in various metal types.
Advantages
This drill bit offers exceptional heat resistance and structural integrity, thanks to its reinforced core and spiral shoulder. The specialized Quick Cut geometry ensures that swarf is broken into small pieces, preventing clogging and allowing for faster, more energy-efficient drilling. Because of its robust design and high-quality material composition, it maintains optimal cutting performance even when working with challenging materials like stainless steel. The short spiral notch further enhances stability, ensuring that the bit remains steady during operation with both cordless and corded power tools.
Suitable for
Drilling into all types of stainless steel
General metalworking tasks
Working with cast iron and cast steel
Standard steel drilling applications
When it may not be suitable
This drill bit is specifically optimized for metalworking and may not provide the best results when used on soft materials like wood or plastic, where different flute geometries are typically preferred. It is also not intended for use in masonry or concrete drilling.
Key specifications
Diameter: 4 mm
Total length: 75 mm
Material: HI-NOX HSS M2 steel
Point angle: 130°
Rotation: Right-hand cut
Design: Cylindrical shank
How to use
To use the KWB 258040 drill bit, insert the cylindrical shank into a compatible geared chuck or keyless chuck of your power drill. Ensure the bit is tightened securely before starting the machine. Position the drill point at the desired location and apply steady, moderate pressure while maintaining a consistent speed. For best results in stainless steel, use a lower RPM and appropriate cooling lubricant to extend the life of the bit and ensure a clean finish.
What to consider before purchase
Verify that your drill chuck supports a 4 mm cylindrical shank.
Ensure the material you are drilling is compatible with HSS M2 steel.
Consider using a center punch to mark the drilling spot to prevent the bit from wandering.
Usage recommendations
For optimal performance and longevity, always use a suitable cutting oil when drilling into stainless steel or hard metals to reduce friction and heat buildup.

## Specifications

| Feature | Value |
|---|---|
| Product colour | Stainless steel, Black |
| Length | 75 mm |
| Proper use | Drill |
| Rotating direction | Right hand rotation |
| Working length | 25 mm |
| Suitable for materials | Iron, Steel, Stainless steel, Sheet metal, Profile |
| Drill bit diameter | 4 mm |
| Shank shape | Cylindrical shank |
| Point angle | 130 ° |
| Drill bit material | Molybdenum High-Speed Steel (HSS-M2) |
| Number of drill bits | 1 pc(s) |
| Number of cutting edges | 2 |
| Drill bit type | Twist drill bit |

## FAQ

### How much does the KWB 258040 HSS Twist Drill Bit 4 mm cost, and is it available for purchase?

The price is 19.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 21.08.2026 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 KWB 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 KWB 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

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