# Drill bit set Proline 76066 HSS 6.6 mm, 10 pcs

**URL:** https://aio.lv/en/product--proline-76066--10991290
**Data updated:** 2026-02-13 15:45 (EET)
**Category:** Drill Bits
**Manufacturer:** Proline
**Manufacturer code:** 76066
**EAN:** 5903755760661
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 13.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 11.15 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--proline-76066--10991290

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

Proline 76066 is a set of HSS drill bits with a diameter of 6.6 mm, supplied in a pack of 10 pieces. Designed for drilling into metal, wood and plastics where high-speed steel bits are suitable. The kit provides uniform diameter and repeatable results for workshop, construction or DIY tasks, offering reliable cutting performance and tool interchangeability.

## Long description

Proline 76066 HSS drill bit set contains ten identical 6.6 mm high-speed steel bits designed for general-purpose drilling in metal, wood and plastic. The set is intended for use in workshop, construction and DIY environments where durable HSS geometry and repeatable hole diameter are required. Each bit features a conventional twist profile suitable for use in drill presses and hand drills with standard chucks, providing consistent cutting performance and interchangeability between tools.
Advantages
The bits are made of high-speed steel to maintain hardness at elevated cutting temperatures and to provide reliable wear resistance during repetitive use. A consistent 6.6 mm diameter across the ten-piece pack allows for quick replacement and simplifies inventory for periodic tasks. The conventional point and twist flutes ensure effective chip evacuation for clean holes in a variety of materials, while compatibility with common chucks and drill holders reduces setup time.
Suitable for
Drilling holes in mild steel, aluminium and other non-hardened metals
Creating pilot and clearance holes in wood and plywood
Cutting holes in plastics and composite panels
Workshop repair, fabrication and maintenance tasks
General DIY and construction site drilling operations
Key specifications
Drill bit material: high-speed steel (HSS)
Nominal diameter: 6.6 mm
Quantity in set: 10 pieces
Flute type: spiral twist
Point angle: standard 118° geometry suitable for general-purpose drilling
How to use
Select a drill or drill press with an appropriate chuck capacity, secure the 6.6 mm HSS bit in the chuck, and tighten according to the tool manufacturer’s instructions. Use suitable spindle speed and feed rate for the material being drilled: higher speeds for soft materials such as plastics and wood, and moderate speeds for metals to avoid overheating. Apply steady axial pressure, clear chips as needed, and use cutting lubricant when drilling metals to extend bit life. After use, remove debris and store the bits in their pack or a dedicated holder to prevent damage.
Usage recommendations
For best results when drilling metals, use a light cutting oil and moderate speed to balance cutting efficiency and bit life. For wood and plastics, use higher speeds and avoid excessive pressure to prevent melting or splintering. Replace bits from the set when signs of wear—such as burrs, chipping or reduced cutting performance—appear.

## FAQ

### How much does the Drill bit set Proline 76066 HSS 6.6 mm cost, and is it available for purchase?

The price is 13.49 € (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 08.07.2026 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 Proline 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 Proline 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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