# Twist drill bit Bosch HSS-G 4 mm DIN 340

**URL:** https://aio.lv/en/product--bosch-2-608-595-679--10554629
**Data updated:** 2026-01-06 11:17 (EET)
**Category:** Drill Bits
**Manufacturer:** Bosch
**Manufacturer code:** 2 608 595 679
**EAN:** 3165140417983
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 7.99 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 6.60 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--bosch-2-608-595-679--10554629

## 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 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

The Bosch HSS-G twist drill bit is designed for metal drilling with a diameter of 4 mm. It is manufactured according to DIN 340 standards, ensuring precision and durability. This single piece drill bit is ideal for various metalworking applications, providing clean and efficient drilling performance.

## Long description

Twist drill bit made of high speed steel (HSS-G) with a 4 mm diameter, manufactured to DIN 340. The right-hand cutting, two-flute cylindrical drill has a split point ground to DIN 1412 C with a 135° tip angle and diameter tolerance h8. The bit is ground from solid metal and has an oxide-coated surface to improve chip removal. The shank equals the drill diameter; colour and packaging vary by pack size (polished in packs of 1, black in packs of 5).
Advantages
The Bosch HSS-G 4 mm twist drill provides precise diameter tolerance and a 135° split-point tip for accurate centring and reduced walking. Oxide coating supports smoother chip evacuation and increases wear resistance during metal drilling. Ground from solid metal with two flutes, it delivers consistent cutting performance for a range of metalworking tasks.
Suitable for
 Drilling in steel and non-ferrous metals
 General metal fabrication and maintenance tasks
 Workshop and industrial applications requiring precise 4 mm holes
Key specifications
 Brand: Bosch
 Type: HSS-G twist drill bit
 Diameter: 4 mm
 Standard: DIN 340
 Tip: 135° split point (DIN 1412 C)
 Tolerance: h8
 Flutes: 2 (two-cutter, cylindrical)
 Surface: oxide-coated
 Shank: equal to drill diameter
 MPN: 2 608 595 679
 EAN: 3165140417983
How to use
Mark the drilling point and secure the workpiece. Use an appropriate drill chuck and a suitable cutting speed for the metal being drilled. Apply steady feed pressure and allow the drill to cut without excessive force. Withdraw periodically to clear chips if drilling deep holes. After use, clean the drill and store it dry to prevent corrosion.
Usage recommendations
For best results when drilling metals, use cutting fluid or lubricant, select correct spindle speed for the material thickness and hardness, and replace the bit if wear or damage to the split point is observed.

## Specifications

| Feature | Value |
|---|---|
| Length | 119 mm |
| Proper use | Drill |
| Working length | 78 mm |
| Suitable for materials | Metal |
| Drill bit diameter | 4 mm |
| Shank diameter | 4 mm |
| Shank shape | Cylindrical shank |
| DIN compliance | 340 |
| Point angle | 135 ° |
| Drill bit material | Ground High-Speed Steel (HSS-G) |
| Number of drill bits | 1 pc(s) |
| Drill bit type | Twist drill bit |

## FAQ

### How much does the Twist drill bit Bosch HSS-G 4 mm cost, and is it available for purchase?

The price is 7.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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, Bank cards on-line, Apple Pay, Google Pay. 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 Bosch 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 Bosch 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

### Where can I download the instructions for Twist drill bit Bosch HSS-G 4 mm?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/10554629/64409241_large.webp