# Diamond Core Bit for Porcelain Gres 20 mm, Keltin, M14 Thread

**URL:** https://aio.lv/en/product--keltin-5901477197734--11942652
**Data updated:** 2026-03-10 11:47 (EET)
**Category:** Drill Bits
**Manufacturer:** Keltin
**Manufacturer code:** 5901477197734
**EAN:** 5901477197734
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 8.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 7.43 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--keltin-5901477197734--11942652

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

Keltin diamond core bit for porcelain gres, 20 mm diameter with M14 threaded shank. Designed for dry or wet drilling in hard ceramic and porcelain tiles, this core bit provides precise circular holes for plumbing fixtures, electrical outlets or anchor points. Compatible with angle grinders and rotary drills that accept M14 accessories.

## Long description

Keltin Diamond Core Bit for Porcelain Gres 20 mm with an M14 threaded shank is engineered for creating precise round holes in hard ceramic and porcelain tile surfaces. The 20 mm cutting diameter and diamond-segment edge allow controlled drilling for installations such as plumbing fittings, electrical boxes or fixing anchors. The M14 thread ensures compatibility with angle grinders and rotary tools that accept M14 accessories; the bit is suitable for both dry and wet drilling methods when used according to tool and tile manufacturer guidance.
Advantages
The diamond cutting edge offers high hardness and consistent cutting performance on dense porcelain gres, reducing chipping and ensuring a smooth hole perimeter. The 20 mm diameter provides a common size for pipes and fixtures while the M14 shank delivers secure attachment to compatible power tools. The design allows both wet and dry use, giving flexibility depending on jobsite conditions and available equipment.
Suitable for
 Drilling holes for plumbing pipes and fittings through porcelain and ceramic tiles
 Creating openings for electrical conduit boxes and sockets in tiled surfaces
 Making anchor and fastening holes for fixtures on porcelain gres
 On-site renovation and installation work where angle grinders or rotary drills with M14 thread are used
Key specifications
 Cutting diameter: 20 mm
 Shank type: threaded M14
 Cutting material: industrial diamond segments
 Suitable drilling modes: dry and wet drilling (depending on conditions)
 Application material: porcelain gres and hard ceramic tiles
How to use
Secure the diamond core bit into an angle grinder or rotary drill that accepts an M14 threaded accessory. When drilling, mark the hole location and start at low speed to establish the cutting edge without slipping. For dry drilling, use short drilling intervals and allow the bit to cool between passes to prevent overheating. For wet drilling, supply a steady water feed to the cutting area to reduce dust and extend bit life. Maintain steady, moderate pressure—avoid forcing the bit—to achieve a clean, accurate hole.
Usage recommendations
Wear appropriate personal protective equipment such as safety glasses, hearing protection and a dust mask. Check the tool manufacturer’s instructions for compatibility and maximum RPM for M14 accessories. For best hole quality in very hard porcelain gres, prefer wet drilling and use a guide or pilot mark to prevent the bit from walking.

## FAQ

### How much does the Diamond Core Bit 20 mm Keltin M14 cost, and is it available for purchase?

The price is 8.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 565 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 16.07.2026 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 Keltin 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 Keltin 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/11942652/67385307_large.webp