# Drill bit GRAPHITE HSS for metal 8 mm, DIN 338

**URL:** https://aio.lv/en/product--graphite-54t991--11601521
**Data updated:** 2026-02-15 18:43 (EET)
**Category:** Drill Bits
**Manufacturer:** GRAPHITE
**Manufacturer code:** 54T991
**EAN:** 5902062038074
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 2.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 2.47 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--graphite-54t991--11601521

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.06.2026 | free |
| Pickup points | 03.07.2026 | 1.99 EUR |
| Courier delivery to door | 03.07.2026 | 4.99 EUR |

## Summary description

Twist drill bit by GRAPHITE designed for metalworking, made from HSS (high-speed steel) with an 8 mm diameter and manufactured to DIN 338 specifications. Suitable for drilling steel and other common metals, it provides high hardness, wear resistance and stable cutting performance. Ideal for workshop and professional use with hand drills and drill presses.

## Long description

GRAPHITE HSS twist drill bit for metal with an 8 mm diameter manufactured to DIN 338 specifications. Made from high-speed steel (HSS) and ground to a standard geometry for general metalworking, this drill bit is intended for cutting through steel and other common metals. It is suitable for use with hand-held drills and drill presses and offers a balance of hardness and toughness for workshop and professional applications.
Advantages
The HSS material provides elevated hardness and heat resistance during cutting, which helps maintain edge integrity and reduces wear. DIN 338 ground geometry ensures consistent centring and chip evacuation for typical metal drilling tasks. The 8 mm diameter is a common size that is compatible with standard chucks and suited to a wide range of fastening and clearance hole requirements. The drill bit's construction supports stable cutting performance across repeated use.
Suitable for
Drilling holes in mild and medium-strength steel
Working with common non-ferrous metals such as aluminum and brass
Use in hand drills for on-site tasks
Use in drill presses for accurate workshop drilling
Key specifications
Material: High-speed steel (HSS)
Diameter: 8 mm
Standard: DIN 338 (twist drill geometry)
Intended use: Metal drilling
Shank type: Cylindrical shank compatible with standard chucks
Finish: Ground cutting edges for general-purpose metalworking
How to use
Select appropriate rotational speed and feed rate for the material and drill size, reducing speed for harder steels and increasing speed for softer metals. Secure the workpiece with clamps or a vice to prevent movement and ensure alignment. Use cutting fluid or lubricant when drilling steel to reduce heat and extend tool life. Start drilling with light pressure to establish a centre, then apply steady force while maintaining proper coolant or lubrication. Clear chips as necessary and withdraw the drill intermittently in deep holes to improve chip evacuation.
Usage recommendations
For best results, use the 8 mm HSS drill bit with moderate speed and cutting fluid on steel; avoid excessive feed that can cause premature wear. Re-sharpen or replace the bit when edges become dull to maintain hole quality and reduce risk of breakage. When drilling through hardened steels or stainless materials, consider using a specialized coated or carbide tool designed for those applications.

## FAQ

### How much does the Drill bit GRAPHITE HSS 8 mm DIN 338 cost, and is it available for purchase?

The price is 2.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 30.06.2026 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/11601521/66761452_large.webp