# Forstner drill bit DeWalt DT4578-QZ, single-piece, right-hand rotation

**URL:** https://aio.lv/en/product--dewalt-dt4578-qz--11118482
**Data updated:** 2026-03-07 18:15 (EET)
**Category:** Drill Bits
**Manufacturer:** DeWalt
**Manufacturer code:** DT4578-QZ
**EAN:** 5035048072035
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 19.99 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 16.52 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dewalt-dt4578-qz--11118482

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

DeWalt DT4578-QZ Forstner drill bit supplied as a single piece for drilling clean, flat-bottomed holes. Designed for right-hand rotation, it is intended for use with drills and drill presses to bore accurate holes in wood and similar materials. Suitable for woodworking tasks such as hinge cup drilling, dowel holes and precise joinery.

## Long description

The DeWalt DT4578-QZ Forstner drill bit is a single-piece tool designed to produce clean, flat-bottomed holes in wood and wood-based materials. Intended for right-hand rotation, this Forstner bit is suitable for use with standard drills and drill presses where accurate, smooth holes are required for cabinetry, furniture making, and precision joinery. The solid construction ensures consistent cutting performance and stability during use.
Advantages
This single-piece Forstner bit delivers precise, flat-bottomed holes with minimal tear-out and clean edges. Its design provides reliable centering and stable cutting action for accurate hole placement. The right-hand rotation configuration matches common drilling equipment and ensures predictable chip evacuation. The tool is appropriate for repeated use in woodworking tasks that require neat finishes and dimensional accuracy.
Suitable for
Drilling hinge cup holes for cabinet and door hardware
Creating dowel and plug holes for joinery
Boring flat-bottomed holes for inlays and recesses
Use in drill presses for precise depth and alignment
General woodworking and furniture making tasks
Key specifications
Cut type: Forstner-style bit for flat-bottomed holes
Construction: single-piece solid design for rigidity
Rotation: right-hand cutting orientation
Material compatibility: wood and wood-based materials
Intended use: compatible with hand drills and drill presses
How to use
Secure the workpiece to prevent movement and select an appropriate clamping method. Fit the Forstner bit into the drill chuck and tighten securely. Use a drill or drill press set to a moderate speed; slower speeds are preferable for larger diameters to maintain control and reduce heat. Position the bit on the mark, start the drill at low speed to establish the hole, then apply steady pressure while maintaining perpendicular alignment for a flat-bottomed result. Clear chips as needed and back the bit out periodically when drilling deep holes to improve chip removal.
Usage recommendations
For best results, use with a drill press when exact depth and alignment are critical, and clamp the workpiece firmly to minimize vibration. Match drill speed to the hole diameter and material density, and avoid excessive lateral force to preserve the cutting edge and maintain hole quality.

## Specifications

| Feature | Value |
|---|---|
| Product colour | Yellow, Black, Stainless steel |
| Proper use | Drill |
| Rotating direction | Right hand rotation |
| Suitable for materials | Wood |
| Drill bit diameter | 35 mm |
| Number of drill bits | 1 pc(s) |
| Drill bit type | Forstner drill bit |

## FAQ

### How much does the Forstner drill bit DeWalt DT4578-QZ cost, and is it available for purchase?

The price is 19.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 14 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 17.07.2026 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 DeWalt 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 DeWalt 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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