# Twist Drill Bit Bosch HSS Twist Drill Bit Cobalt 4.1mm

**URL:** https://aio.lv/en/product--bosch-2608585847--4133034
**Data updated:** 2026-01-09 12:23 (EET)
**Category:** Drill Bits
**Manufacturer:** Bosch
**Manufacturer code:** 2608585847
**EAN:** 3165140520829
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.49 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 4.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--bosch-2608585847--4133034

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The Bosch HSS Twist Drill Bit Cobalt features a diameter of 4.1 mm, designed for use with drills and rotary hammers. This durable drill bit is made from high-speed steel with cobalt for enhanced heat resistance and longevity. Ideal for drilling into metal and other tough materials, it ensures precision and efficiency in your projects. Comes as a single piece (2608585847).

## Long description

Twist Drill Bit Bosch HSS Twist Drill Bit Cobalt 4.1mm is a high-speed steel drill with cobalt content, designed for precise and durable metal drilling. Manufactured to DIN 338 as a Type N twist drill with a 135° split-point tip and diameter tolerance h8, it features a cylindrical shank equal to the drill diameter and is suitable for use in drill stands and drill drivers.
Advantages
The cobalt-enhanced HSS construction improves heat resistance and tool life when drilling stainless and alloyed steels. The two-cutters and two-flute geometry evacuate chips quickly to reduce wear, while the pointed split-point tip provides active cutting and accurate centring without wandering.
Suitable for
Alloyed and non-alloyed steel
Stainless steel
Cast iron and cast steel
Acid- and heat-resistant steels
Key specifications
Brand: Bosch
Model / MPN: 2608585847
EAN: 3165140520829
Diameter: 4.1 mm
Material: HSS with cobalt
Standard: DIN 338
Type: Twist drill Type N (flute angle)
Tip angle: 135° split-point
Diameter tolerance: h8
Shank: cylindrical, equal to drill diameter
Package quantity: 1 piece
How to use
Secure the Bosch HSS Twist Drill Bit Cobalt in a drill driver or drill stand with a suitable chuck. Mark and centre the drilling position, start at low speed to establish the hole, then increase speed as appropriate for the material being drilled. Use steady pressure and allow the bit to evacuate chips through the flutes. Apply cutting fluid when drilling stainless or heat-resistant steels to reduce heat build-up and extend bit life.
Usage recommendations
For best results when drilling stainless and heat-resistant steels, use cutting fluid, maintain appropriate drill speed for the material, and periodically clear chips from the flutes. Do not force the bit; let the split-point tip guide and cut at a steady rate.

## Specifications

| Feature | Value |
|---|---|
| Product colour | Bronze |
| Length | 75 mm |
| Proper use | Rotary hammer, Drill |
| Working length | 43 mm |
| Suitable for materials | Cast steel, Steel, Stainless steel, Non-alloyed steel, Metal, Cast iron |
| Drill bit diameter | 4.1 mm |
| Shank shape | Cylindrical shank |
| DIN compliance | 338 |
| Drill bit material | Cobalt Alloy High-Speed Steel (HSS-Co) |
| Number of drill bits | 1 pc(s) |
| Number of cutting edges | 2 |
| Drill bit type | Twist drill bit |

## FAQ

### How much does the Twist Drill Bit Bosch HSS Twist Drill Bit Cobalt cost, and is it available for purchase?

The price is 5.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 9 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 14.07.2026 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

## Image

https://aio.lv/img/cache/product/4133034/64253914_large.webp