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header-product Diamond core bit 12 mm with M14 thread Makita D-79946 for rotary tools and angle grinders
17.99 €

Diamond core bit 12 mm with M14 thread Makita D-79946 for rotary tools and angle grinders

Diamond core bit 12 mm Makita D-79946 Photo 1
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Diamond core bit 12 mm with M14 thread Makita D-79946 for rotary tools and angle grinders

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Diamond core bit 12 mm with M14 thread Makita D-79946 for rotary tools and angle grinders

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Short description

Diamond core bit 12 mm Makita D-79946 features a 12 mm cutting diameter and M14 threaded shank for mounting on compatible rotary tools and angle grinders. Designed for drilling small holes in hard materials such as ceramic, tile, glass and stone. Suitable for precise, clean through-holes and detail work in construction, tiling and glazing applications.
Available at price 17.99 €: 12 pcs.
Total available for order: 32 pcs.
Warranty: 2 Years
SKU: 11266291
free shipment

Cheapest delivery:

Venipak Pickup LV, Venipak Locker LV

Pick-up points

Venipak Pickup LV

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
Tuesday {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
17.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.09 kg)
Parcel couriers
Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
17.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
payment
Payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay
Together cheaper
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Product information

Description

Diamond core bit 12 mm Makita D-79946 with an M14 threaded shank is designed for drilling precise small holes in hard materials. The 12 mm cutting diameter provides a clean, narrow through-hole suitable for tile, ceramic, glass and natural stone. The bit mounts on rotary tools and angle grinders that accept M14-thread accessories and is intended for detail work where controlled, accurate drilling is required.

Advantages

The diamond cutting edge ensures efficient drilling in brittle and abrasive surfaces with reduced chipping. The M14 thread offers secure mounting on compatible rotary tools and angle grinders for stable operation. Its compact 12 mm diameter gives good control for precision holes and minimizes material removal, allowing neat, repeatable results in finishing and installation tasks.

Suitable for

  • Drilling holes in ceramic and porcelain tiles
  • Creating openings in glass and glazed surfaces
  • Detail drilling in natural stone and marble
  • Small through-holes for plumbing fixtures and fittings
  • Repair and finishing work in tiling and glazing

Key specifications

  • Cutting diameter: 12 mm
  • Shank/thread type: M14 threaded shank for direct mounting
  • Tip material: diamond grit cutting segment
  • Intended materials: ceramic, porcelain, tile, glass, natural stone
  • Typical tool compatibility: rotary tools and angle grinders with M14 thread

How to use

Mark the drilling point and secure the workpiece to prevent movement. Fit the core bit to an appropriate rotary tool or angle grinder with an M14 thread and ensure the tool is switched off before mounting. Start drilling at low speed with light pressure to establish the hole, then increase speed gradually while maintaining steady, moderate pressure. For clean holes in brittle materials, consider using water cooling or intermittent drilling to reduce heat and dust. Withdraw the bit periodically to remove debris and avoid binding.

Usage recommendations

Use appropriate personal protective equipment such as safety glasses, gloves and respiratory protection when drilling. For best results in ceramic, porcelain and glass, use light pressure, controlled speed and, where possible, water as a coolant to prolong bit life and reduce chipping. Verify that your rotary tool or angle grinder supports M14 accessories before use.

Description

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Stock data
Warehouse Stock Delivery to the store Store Price
WH360 12 Tuesday Best delivery 17.99 € Best price
WH357 20 28.07.2026 22.99 €
17.99 €
Stock: 12
Delivery Date: Tuesday Best delivery
Warehouse: WH360
22.99 €
Stock: 20
Delivery Date: 28.07.2026
Warehouse: WH357

Customer reviews

Customer questions

FAQ

How much does the Diamond core bit 12 mm Makita D-79946 cost, and is it available for purchase?

The price is 17.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 32 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 Tuesday 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 Makita 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 Makita 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.