# Drill bit GRAPHITE HSS cylindrical for metal 4.2 mm (55H019)

**URL:** https://aio.lv/en/product--graphite-55h019--11720843
**Data updated:** 2026-03-08 11:24 (EET)
**Category:** Drill Bits
**Manufacturer:** GRAPHITE
**Manufacturer code:** 55H019
**EAN:** 5902062997166
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 3.99 €
**Prices and availability valid until:** 2026-07-09 23:59
**Price without VAT (21%):** 3.30 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--graphite-55h019--11720843

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.06.2026 | free |
| Pickup points | 02.07.2026 | 1.99 EUR |
| Courier delivery to door | 02.07.2026 | 4.99 EUR |

## Summary description

Cylindrical HSS drill bit by GRAPHITE, 4.2 mm diameter, designed for drilling metal. Made from high-speed steel (HSS) for wear resistance and heat tolerance when cutting ferrous and non-ferrous metals. Suitable for use in handheld drills and drill presses for metalworking tasks such as through-holes, fitting fasteners, and general fabrication.

## Long description

GRAPHITE HSS cylindrical drill bit with a 4.2 mm working diameter is engineered for precise metal drilling. Manufactured from high-speed steel (HSS), this straight-shank bit provides wear resistance and maintains cutting performance at elevated temperatures. It is intended for use in handheld drills and drill presses when creating through-holes, preparing fittings for fasteners, or carrying out general metal fabrication operations.
Advantages
The HSS composition offers good hardness and heat tolerance during continuous drilling in ferrous and non-ferrous metals. The cylindrical (straight) shank ensures secure clamping in standard chucks, while the 4.2 mm diameter delivers a balance between hole accuracy and material removal rate. Designed for dimensional stability and consistent cutting life, the bit suits repetitive workshop tasks and occasional on-site repairs.
Suitable for
Drilling through steel, stainless steel and cast iron (with appropriate speeds and coolant)
Creating holes in non-ferrous metals such as aluminum, brass and copper
General metal fabrication, fitting fasteners and creating clearance holes
Use in handheld electric drills and bench drill presses
Key specifications
Material: High-speed steel (HSS)
Shank type: Cylindrical / straight shank
Nominal diameter: 4.2 mm
Intended application: Metal drilling (ferrous and non-ferrous)
Compatibility: Standard drill chucks for cylindrical shanks
How to use
Secure the drill bit in the chuck so the shank is fully seated and tighten the chuck firmly. Select an appropriate spindle speed for the metal being drilled (lower speeds for stainless steel and higher speeds for softer non-ferrous metals) and, where possible, use cutting fluid or coolant to reduce heat and extend tool life. Apply steady feed pressure and avoid excessive side loading; withdraw the bit periodically for chip clearance on deeper holes. After use, clean chips from flutes and store the bit in a dry place to prevent corrosion.
Usage recommendations
For best results when drilling hard or stainless steels, use lower rotational speeds, a suitable cutting lubricant, and intermittent pecking to avoid work hardening. When drilling soft non-ferrous metals, higher speeds with light feed will reduce cutting forces and improve surface finish.

## FAQ

### How much does the GRAPHITE HSS drill bit 4.2 mm cost, and is it available for purchase?

The price is 3.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 100 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 29.06.2026 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 GRAPHITE 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 GRAPHITE 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/11720843/67102078_large.webp